Question: Can you help me with question 3 and 4 Exercise 3: Estimate the standard error of the mean with the following sample of 20 scores

Can you help me with question 3 and 4

Exercise 3: Estimate the standard error of the mean with the following sample of 20 scores representing the number of hours that these students had studied for a midterm exam: 4 4 3 2 8 5 6 6 6 4 1 7 1 1 2 7 5 8 7 5 Exercise 4: With the sample mean in exercise 1, find: ) The 95 % confidence interval b) The 99 % confidence interval

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