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?
April 25, 2020Discuss the ways in which you anticipate using the materials covered in this course in the future
April 25, 2020Question Description
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nnI need you to do Question/Problem Set 2. The first question is already solved into attached file. You need to solve Question 2 as Question 1 has been solved. nnProblem Set 2: The paired-samples t testnnResearch Scenario: A 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. The data are listed in the table below.nnUsing this table, enter the data into a new SPSS data file and run a paired-samples t test to test the claim that there is a difference in the number of truant days before and after the program was implemented. Follow the directions below the table to complete the homework.n
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| Days Truant from School Year 1 | Days Truant from School Year 2 |
| 15nn10nn4nn1nn19nn2nn6nn0nn0nn3nn27nn4nn12nn0nn5 | 10nn12nn6nn0nn5nn0nn7nn1nn0nn6nn11nn4nn8nn16nn4 |
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