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The graph compares the scores earned by 100 students on a pre-test and a post-test.

Select from the drop-down menu to correctly complete the statement.

On average, students scored (Choices: 15; 25; 55; 70) points better on the post-test than on the pre-test.

A boxplot is a standardized way of displaying the distribution of data based on a five number summary (“minimum”, first quartile (Q1), median, third quartile (Q3), and “maximum”).

The middle line of the boxplot represents the median or the central tendency.

Average pre - test score of students = 30

Average post - test score of students = 55

Average difference in the scores of students pre and post test = 55 - 30 = 25

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PLEASE HELP ASAP!! The graph compares the scores earned by 100 students on a pre-test and a post-test. Select from the drop-down menu to correctly complete the statement. On average, students scored (Choices: 15; 25; 55; 70) points better on the post-test than on the pre-test.

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What is boxplot?

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PLEASE HELP ASAP!!
The graph compares the scores earned by 100 students on a pre-test and a post-test.

Select from the drop-down menu to correctly complete the statement.

On average, students scored (Choices: 15; 25; 55; 70) points better on the post-test than on the pre-test.