Box Plots

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

She did not find the correct difference of 89 – 78. She divided by 5 instead of 4.✔ She put the negative sign for the 32 outside the parentheses.She forgot to take the square root of –135.6.

Revolt · Accepted Answer

She put the negative sign for the 32 outside the parentheses.

Question 3

70.42✔ 71.3677.7581.09

Revolt · Accepted Answer

71.36; Selection 1: 71.36; Selection 2: 8.45

Question 4

8.40✔ 8.458.829.00

Revolt · Accepted Answer

8.45

Question 5

Question 9

Revolt · Accepted Answer

17.1

Question 6

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 7

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 8

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.

Question 9

A normal distribution curve, where x = 70 and σ = 15, was created by a teacher using her students’ grades. What information about their performances can be obtained by analyzing the curve?

Revolt · Accepted Answer

By analyzing the curve, you can determine that the mean and median score is 70. This means that half of the students scored 70 or above and half scored 70 or below. Since the standard deviation is 15, most students (approximately 68%) scored within one standard deviation of the mean, which is between 55 and 85.

Question 10

What did you include in your response? Check all that apply.

Revolt · Accepted Answer

The mean and median of the scores is 70.; Most of the scores are between 55 and 85.; Half of the scores are less than or equal to 70, while the other half are greater than or equal to 70.

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