Question

A violin student records the number of hours she spends practicing during each of nine consecutive weeks.

1.2, 4.3, 5.0, 5.8, 6.2, 6.3, 7.2, 7.4, 18.4.

A.Find the five number summary for the above dataset.

B.What is the IQR for the above data?

C.What is the mean of the above data?

D.What can you say about the shape of the distribution?

E.Are there any potential outliers in the data? Use the method we learned in the class to find potential outliers if there are any.

F. Suppose 18.4 was a typo and it suppose to be 8.4. Will this change the five number summary you gave in part (1). If so which of those five numbers would change.

Answer 1