Topics
7. One Variable Statistics
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United States of America
Grades 9-12

7.03 Measures of spread

Lesson
Practice
Adaptive
Worksheet

Interactive practice questions

Find the range of the following set of scores:

$10,19,19,7,20,14,2,11$10,19,19,7,20,14,2,11

Medium
< 1min

Find the range of the following set of scores:

$15,-2,-8,8,15,6,-16,15$15,−2,−8,8,15,6,−16,15

Medium
< 1min

A group of students had a range in marks of $14$14 and the least score was $9$9. What was the greatest score in the group?

Medium
< 1min

Consider the data shown in the table:

Medium
< 1min
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Outcomes

S.ID.A.1

Represent data with plots on the real number line (dot plots, histograms, and box plots).

S.ID.A.2

Use statistics appropriate to the shape of the data distribution to compare center (median, mean) and spread (interquartile range, standard deviation) of two or more different data sets.

S.ID.A.3

Interpret differences in shape, center, and spread in the context of the data sets, accounting for possible effects of extreme data points (outliers).

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