Measure Center and Variablilty

Presentation

•

Mathematics

•

7th Grade

•

Medium

•

CCSS

6.SP.B.5C, 7.NS.A.3, 6.SP.B.4

Standards-aligned

JIMMY PIERCE

Used 16+ times

FREE Resource

7 Slides • 4 Questions

Measure Center and Variablilty

Standard 7.sp.d.8b

Evaluating data

How data changes

Measure of Center

mean
median

Measure of variability

Range
quartile ranges

Multiple Choice

Find the median:
5, 6, 3, 9, 0, 4, 1, 2, 7

4.1

4.5

Multiple Choice

Find the mean of these numbers:
5,11,2,12,4,2

4.1

4.5

Multiple Choice

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 112, 193, 142. What is the range of Roger's scores?

193

Multiple Choice

When calculating the range of a data set, I need to

subtract maximum - minimum

subtract Q₃ - Q₁

subtract minimum - maximum

Skew

make biased or distorted in a way that is regarded as inaccurate, unfair, or misleading.

When to use

mean. median

outliers

how they effect data sets

Measure Center and Variablilty

Standard 7.sp.d.8b

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