Mathematics, 26.03.2020 20:05 alananicoleee
At the local college, a study found that students completed an average of 3.5 classes per semester. A sample of 49 students was taken. What is the best point estimate for the average number of classes per semester for all students at the local college?
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and standard deviation 
, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean 
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