List A and List B each contains 30 numbers. Frequency distributions for each list are recorded in

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List A and List B each contains 30 numbers. Frequency distributions for each list are recorded in the histograms below.image

image

The average (arithmetic mean) of the numbers in list A is 3.7, and the average of the numbers in list B is 10.1. List C contains 60 numbers: the 30 numbers of list A and the 30 numbers of list B.

Which of the following is true about the two lists shown for the 30 numbers?

A) The standard deviation of the numbers in list A is larger.

B) The standard deviation of the numbers in list B is larger.

C) The standard deviation of the numbers in list A is the same as that of list B.

D) The standard deviation of the numbers in the two lists cannot be determined.

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Acing The New SAT Math

ISBN: 9780975475355

1st Edition

Authors: Thomas Hyun

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