1. (TCO A)Consider the following raw data, which is the result of selecting a random sample of 20 Bank Common Stocks and noting the dividend yields (as a %).
2. (TCO B) The general manager of Oak Place Mall has collected data on where each customer lives and the gender of each customer. A random sample of 500 customers was selected with the results below.
3. (TCO B)In a recent survey, 80% of the citizenry in a community favored the building of a municipal golf course. If you ask 15 citizens about this project, find the probability that
4. (TCO B) A study of homeowners in the 5th congressional district in Maryland found that their annual household incomes are normally distributed with a mean of $41,182 and a standard deviation of $11,990 (based on data from Nielsen Media Research).
5. (TCO C) Until this year, the mean braking distance of a Nikton automobile moving at 60 mi per hour was 175 ft. Nikton engineers have developed what they consider a better braking system. They test the new brake system on a random sample of 81 cars and determine the sample mean braking distance. The results are the following
6. (TCO C) You are in charge of selling advertising for radio station WQAA. The fee you can set for airtime is directly related to the share of the listening market your station reaches. From time to time, you conduct surveys to determine WQAA’s share of the market. This month, when you contacted 200 randomly selected residential phone numbers, 12 respondents said they listen to WQAA
7. (TCO D) Persons living near a smelting plant have complained that the plant violates the city’s noise pollution code. The code states that to be in compliance, noise levels are only allowed to exceed 120 decibels less than 10% of the time. You monitor the noise levels at 150 randomly selected times and found that 11 were above 120 decibels. Does the sample data provide evidence to conclude that the plant is in compliance with the noise pollution code (witha = .05)? Use the hypothesis testing procedure outlined below.
8. (TCO D)Bill Smith is the Worthington Township manager. When citizens request a traffic light, the staff assesses the traffic flow at the requested intersection. Township policy requires the installation of a traffic light when an intersection averages more than 150 vehicles per hour. A random sample of 48 vehicle counts is done. The results are as follows:
(TCO E) Management at New England Life wants to establish the relationship between the number of sales calls made each week (CALLS, X) and the number of sales made each week (SALES, Y). A random sample of 18 life insurance salespeople were surveyed yielding the data found below
(TCO E) A local realtor wishes to study the relationship between selling price (PRICE in $), house size (HOUSESIZE in square feet), lot size (LOTSIZE in acres), and number of bathrooms (BATHROOM). A sample of 10 homes is selected at random. The data is given below (in MINITAB)
(TCO 1) In the Neolithic Revolution, the growth of communities was a result ofÂ (Points : 5)
(TCO 4) According to Winner, the design of a hoe (el cortito), reflects a political relationship because
(TCO 1) Francis Bacon argued that scientific method differed from logic and mathematics in that
(Points : 5)
(TCOs 2 & 8) Edgerton counters the theory of distinct successive technological revolutions by explaining that
(TCOs 2 & 8) The introduction of four uniform time zones in the United States was a direct result of
(TCO 4) Which of the following is NOT a characteristic of Wiki art?
(TCO 4) In Wiki art, the artist is
(TCO 4) According to Winner, the use of computer technologies to supervise workers is
(Points : 5)
(TCO 8) The term Luddite refers to
(TCO 11) Which of the following is considered a scholarly resource?
(TCO 12) Bill Joy compares the threat of self-replicating nanotechnology with
(TCO 12) The three technologies that Bill Joy states are the greatest threat in the 21st century are
.(TCO 12) The unintended effects of e-mail are
The intended reader of a scholarly resource would be
During the Protestant Reformation, the printing press created a new desire for books
Winner argues that some technologies have become so fully integrated in our society that they have actually taken on social roles. An example of this would be
(TCO 1) Francis Bacon argued that scientific method differed from logic and mathematics in that
(TCOs 2 & 8) Rapid urbanization in Britain during the 19th century was the result of
(TCOs 2 & 8) The introduction of four uniform time zones in the United States was a direct result of
(TCO 4) Which of the following is NOT a characteristic of Wiki art?
(TCO 4) According to Winner, the use of computer technologies to supervise workers is
(TCO 8): The most culturally influential class in Industrial Britain was
(TCO 11) Which of the following is NOT a scholarly resource?
(TCO 12) Bill Joy argues that the most dangerous aspect of GNR technologies is
(TCO 12) The unintended effects of e-mail are
TCOs 1 & 2) Why does Cowan believe it is important to examine technologies in the context of technological systems? What advantage does this broader perspective give to planners? Give a specific current technological example (not it the reading) in support of your answer.
(TCOs 4 & 8) Identify two authors from your readings and compare their views on the impact of technology on a culture. To what degree does each author see the technology affecting social change? Were there special interests involved in the decision making concerning the development and use of the technology? Provide specific examples.
(TCOs 3 & 4) How have changes in technology affected the recording industry and our understanding of what it means to be a professional musician? How have changes in technology affected our access to recorded music and the control exercised by traditional distributors? How will all these changes affect cultural trends and our expectations of music as an art form? Provide specific examples.
1. (TCO A) The number of service calls made in the past 60 days by a sample of 20 technical representatives for AJ TECH is given below.
a. Compute the mean, median, mode, and standard deviation, Q1, Q3, Min, and Max for the above sample data on number of service calls made in the past 60 days.
b. In the context of this situation, interpret the Median, Q1, and Q3. (Points : 33)
2. (TCO B) Consider the following data on customers at an office supply store. These customers are categorized by their previous volume purchases and their age.
If you choose one customer at random, then find the probability that the customer
a. is a new customer.
b. is a high volume customer and is in the 40′s
c. is in the 20′s, given that the customer is low volume
3. (TCO B) DCW Chemical is planning to implement an acceptance sampling plan for raw materials. A random sample of 22 batches from a large shipment (having a large number of batches) is selected. If two or more of the 22 batches fail to meet specifications, then the entire shipment is returned. Otherwise, the shipment is accepted.
In a sample of 22 batches from a population that is 1% defective (1% of the batches fail to meet specifications), find the probability that
a. two or more batches fail to meet specifications.
b. exactly two batches fail to meet specifications.
c. fewer than two batches fail to meet specifications.
4. (TCO B) CJ Computer Disks stocks and sells recordable CDs. The monthly demand for these CDs is closely approximated by a normal distribution with a mean of 20,000 disks and standard deviation of 4,000 disks. CJ receives shipments from the supplier once per month (at the beginning of each month).
a. Find the probability that the demand for recordable CDs exceeds 30,000 for a particular month.
b. Find the probability that the demand for recordable CDs is between 12,000 and 18,000.
c. How large an inventory must CJ have available at the beginning of the month so that the probability of running out of recordable CDs (a stock out) during the month is no more than .05?
5. (TCO C) A tool manufacturing company wants to estimate the mean number of bolts produced per hour by a specific machine. A simple random sample of 9 hours of performance by this machine is selected and the number of bolts produced each hour is noted. This leads to the following results.
Sample Size = 9
Sample Mean = 62.3 bolts/hr
Sample Standard Deviation = 6.3 bolts/hr
a. Compute the 90% confidence interval for the average number bolts produced per hour.
b. Interpret this interval
c. How many hours of performance by this machine should be selected in order to be 90% confident of being within 1 bolt/hr of the population mean number of bolts per hour by this specific machine?
6. (TCO C) A clock company is concerned about errors in assembly of their custom made clocks. A random sample of 120 clocks from today’s production yields nine clocks with assembly errors.
a. Compute the 95% confidence interval for the percentage of clocks with assembly errors in today’s production
b. Interpret this confidence interval
c. How many clocks should be selected in order to be 95% confident of being within 2% of the population percentage of clocks with assembly errors in today’s production?
7. (TCO D) An article about women in business claims that 28% of all small businesses in the United States are owned by women. Sally Parks believes that this figure is overstated. A random sample of 2,000 small businesses is selected with 546 being owned by women. Does the sample data provide evidence to conclude that less than 28% of small businesses in the United States are owned by women (with a = .10)? Use the hypothesis testing procedure outlined below.
a. Formulate the null and alternative hypotheses
b. State the level of significance
c. Find the critical value (or values), and clearly show the rejection and nonrejection regions
d. Compute the test statistic
e. Decide whether you can reject Ho and accept Ha or not.
f. Explain and interpret your conclusion in part e. What does this mean?
g. Determine the observed p-value for the hypothesis test and interpret this value. What does this mean?
h. Does the sample data provide evidence to conclude that less than 28% of small businesses in the United States are owned by women (with a = .10)?
8. (TCO D) Bill Smith is the Worthington Township manager. When citizens request a traffic light, the staff assesses the traffic flow at the requested intersection. Township policy requires the installation of a traffic light when an intersection averages more than 150 vehicles per hour. A random sample of 48 vehicle counts is done. The results are as follows:
Sample Size = 48
Sample Mean = 158.3 vehicles/hr.
Sample Standard Deviation = 27.6 vehicles/hr.
Does the sample data provide evidence to conclude that the installation of the traffic light is warranted (using a = .10)? Use the hypothesis testing procedure outlined below.
a. Formulate the null and alternative hypotheses
b. State the level of significance
c. Find the critical value (or values), and clearly show the rejection and nonrejection regions
d. Compute the test statistic
e. Decide whether you can reject Ho and accept Ha or not
f. Explain and interpret your conclusion in part e. What does this mean?
g. Find the observed p-value for the hypothesis test and interpret this value. What does this mean?
h. Does this sample data provide evidence (with a = 0.10), that the installation of the traffic light is warranted?
(TCO 1) In the Neolithic Revolution, the growth of communities was a result of
(TCO 1) Francis Bacon argued that scientific method differed from logic and mathematics in that
(TCOs 2 & 8) Edgerton counters the theory of distinct successive technological revolutions by explaining that
(TCOs 2 & 8) The introduction of four uniform time zones in the United States was a direct result of
(TCO 4) According to Winner, the use of computer technologies to supervise workers is
(TCO 8) The term Luddite refers to
(TCO 12) The three technologies that Bill Joy states are the greatest threat in the 21st century are
.(TCO 12) The unintended effects of e-mail are
The intended reader of a scholarly resource would be
12. During the Protestant Reformation, the printing press created a new desire for books.
13. Winner argues that some technologies have become so fully integrated in our society that they have actually taken on social roles. An example of this would be
Essay questions
(TCOs 1 & 2) Why does Cowan believe it is important to examine technologies in the context of technological systems? What advantage does this broader perspective give to planners? Give a specific current technological example (not it the reading) in support of your answer.
(TCOs 4 & 8)
Explain in your own words your understanding of Wajcman’s critique of technological determinism. How does her reasoning compare with Winner’s argument that technologies can actually reflect political relationships? Provide examples.
4. (TCOs 1 & 2) Landes argues that there were cultural differences between the East and Middle East and the West that affected the development and application of some technologies such as the clock. Did these differences also affect the way these cultures approached information technologies such as the printing press? Can you make a comparison with the different approaches taken by Eastern and Middle Eastern and Western cultures today and current information technologies? (Points : 50)
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1. (TCO A)Consider the following raw data, which is the result of selecting a random sample of 20 Bank Common Stocks and noting the dividend yields (as a %).
2. (TCO B) The general manager of Oak Place Mall has collected data on where each customer lives and the gender of each customer. A random sample of 500 customers was selected with the results below.
3. (TCO B)In a recent survey, 80% of the citizenry in a community favored the building of a municipal golf course. If you ask 15 citizens about this project, find the probability that
4. (TCO B) A study of homeowners in the 5th congressional district in Maryland found that their annual household incomes are normally distributed with a mean of $41,182 and a standard deviation of $11,990 (based on data from Nielsen Media Research).
5. (TCO C) Until this year, the mean braking distance of a Nikton automobile moving at 60 mi per hour was 175 ft. Nikton engineers have developed what they consider a better braking system. They test the new brake system on a random sample of 81 cars and determine the sample mean braking distance. The results are the following
6. (TCO C) You are in charge of selling advertising for radio station WQAA. The fee you can set for airtime is directly related to the share of the listening market your station reaches. From time to time, you conduct surveys to determine WQAA’s share of the market. This month, when you contacted 200 randomly selected residential phone numbers, 12 respondents said they listen to WQAA
7. (TCO D) Persons living near a smelting plant have complained that the plant violates the city’s noise pollution code. The code states that to be in compliance, noise levels are only allowed to exceed 120 decibels less than 10% of the time. You monitor the noise levels at 150 randomly selected times and found that 11 were above 120 decibels. Does the sample data provide evidence to conclude that the plant is in compliance with the noise pollution code (witha = .05)? Use the hypothesis testing procedure outlined below.
8. (TCO D)Bill Smith is the Worthington Township manager. When citizens request a traffic light, the staff assesses the traffic flow at the requested intersection. Township policy requires the installation of a traffic light when an intersection averages more than 150 vehicles per hour. A random sample of 48 vehicle counts is done. The results are as follows:
(TCO E) Management at New England Life wants to establish the relationship between the number of sales calls made each week (CALLS, X) and the number of sales made each week (SALES, Y). A random sample of 18 life insurance salespeople were surveyed yielding the data found below
(TCO E) A local realtor wishes to study the relationship between selling price (PRICE in $), house size (HOUSESIZE in square feet), lot size (LOTSIZE in acres), and number of bathrooms (BATHROOM). A sample of 10 homes is selected at random. The data is given below (in MINITAB)