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PS.1

Last updated over 4 years ago

5 questions

1

Question 1

1.

Annual snowfall amounts in inches for Buffalo, New York, for 2000–2007 are listed in the table.

What was the mean amount of snowfall in Buffalo during those years?

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Question 2

2.

Annual snowfall amounts in inches for Buffalo, New York, for 2000–2007 are listed in the table.

What was the standard deviation for the amount of snowfall in Buffalo during those years?

Question 3

3.

Find the standard deviation for the following set of data:
14, 9, 19, 16, 8, 17, 25, 21, 15.

Question 4

4.

Identify the outlier in the data set {6, 4, 7, 47, 5, 5, 6, 5}. Then find the standard deviation of the data set with the outlier.

Question 5

5.

Identify the outlier in the data set {6, 4, 7, 47, 5, 5, 6, 5}. Then find the standard deviation of the data set without the outlier.