Many organizations are doing surveys to determine the satisfaction of their cust
ID: 3266859 • Letter: M
Question
Many organizations are doing surveys to determine the satisfaction of their customers.Many organizations are doing surveys to determine the satisfaction of their customers. Attitudes toward various aspects of campus life were the subject of one such studyAttitudes toward various aspects of campus life were the subject of one such study conducted at Purdue University. Each item was rated on a 1 to 5 scale with 5 being theconducted at Purdue University. Each item was rated on a 1 to 5 scale with 5 being the highest rating. The average response of 1783 first - year students to Feeling welcomed athighest rating. The average response of 1783 first - year students to Feeling welcomed at Purdue was 3.8 with a standard deviation of 1.02. Assuming that the respondents are anPurdue was 3.8 with a standard deviation of 1.02. Assuming that the respondents are an SRS give a 90% confidence interval for the mean of all first - year students.SRS give a 90% confidence interval for the mean of all first - year students.
( Fill in the blanks below and round your answers to 4 decimal places.) ( Fill in the blanks below and round your answers to 4 decimal places.)
Explanation / Answer
The statistical software output for this problem is:
One sample T summary confidence interval:
: Mean of population
90% confidence interval results:
Hence,
90% confidence interval will be:
(3.7602, 3.8398)
Mean Sample Mean Std. Err. DF L. Limit U. Limit 3.8 0.024155971 1782 3.7602463 3.8397537Related Questions
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