Two-Way Tables

Question 1

Which of the distributions is left skewed?

Revolt · Accepted Answer

[Image: A graph shows the horizontal axis numbered 12 to 1...]

Question 2

Question 2

Revolt · Accepted Answer

8.45

Question 3

Adimas found the mean of her 11 math test scores for the first semester. x = ≈ 81 Using 81 as the mean, find the variance of her grades rounded to the nearest hundredth. σ2 = Find the standard deviation of her grades rounded to the nearest hundredth. σ =

Revolt · Accepted Answer

71.36; Selection 1: 71.36; Selection 2: 8.45

Question 4

Question 5

Revolt · Accepted Answer

86921

Question 5

Which statements are true about the data sets? Check all that apply.

Revolt · Accepted Answer

Set B has the same mean and median.; Set A is left skewed.; The median of set A is larger than the mean of set A.

Question 6

Which statements are true about the curve? Check all that apply.

Revolt · Accepted Answer

The variance of the data is 49.; The median is 64.; The data point 50 is two standard deviations away from the mean.

Question 7

Which statement is most likely to be true?

Revolt · Accepted Answer

The scores from Mrs. Rijo’s class are the closest to the class mean.

Two-Way Tables Answers

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