2. The physician of OSFI would like to know the average weight of grade 3 students. 18 UU this, she measured the weights of 15 students and found that their average weight was 25.2 kg. The sample standard deviation is 2.75. At a confidence level of 90%, determine the confidence interval that will estimate the mean.

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Please Answer number 2 

2. The physician of OSFI would like to know the average weight of grade 3 students. To do
this, she measured the weights of 15 students and found that their average weight was 25.25
kg. The sample standard deviation is 2.75. At a confidence level of 90%, determine the
confidence interval that will estimate the mean.
Transcribed Image Text:2. The physician of OSFI would like to know the average weight of grade 3 students. To do this, she measured the weights of 15 students and found that their average weight was 25.25 kg. The sample standard deviation is 2.75. At a confidence level of 90%, determine the confidence interval that will estimate the mean.
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