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:

Question

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.

Answer 1

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

Answer 2

Please type your subject in the School Subject box. Any other words, including obscure abbreviations, are likely to delay responses from a teacher who knows that subject well.