There are 1000 students in the University of A. A sample of 10 observations was obtained regarding the rating of the service quality of dining hall. Here is the sample:

Observation Rating
1 5
2 6
3 7
4 3
5 8
6 5
7 6
8 3
9 4
10 7

calculate the confidence interval of the sample mean of the ratings.

2 answers

For some reason the numbers are together example 1=5 not 15
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