Is there a major difference between the two pieces of equipment? Why or why not?
April 25, 2020A social worker in a rural school district is interested in how a new program is affecting the number of days that high school students are truant from school (i.e. absent without permission from parents, doctor, etc.). She takes a sample of 15 students from school records and notes the number of days truant in the year before the program and the year after the program.
April 25, 2020n
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Question Description
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nnHomework Assignment 6 Due in Week 9 and worth 30 points Suppose the number of equipment sales and service contracts that a store sold during the last six (6) months for treadmills and exercise bikes was as follows: Treadmill Exercise Bike Total sold 185 123 Service contracts 67 55 The store can only sell a service contract on a new piece of equipment. Of the 185 treadmills sold, 67 included a service contract and 118 did not. Complete the following questions in the space provided below: Construct a 95 percent confidence interval for the difference between the proportions of service contracts sold on treadmills versus exercise bikes. Is there a major difference between the two pieces of equipment? Why or why not?nn
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