Week 1 Tuesday Warm Up

What does standard deviation represent?

• How many different variations are in the data set.

• How the population varies compared to the sample.

• How spread out each data value is from the mean.

• The range, but with a bunch of other stuff going on.

What is the standard deviation for the data given:

5, 10, 7, 12, 0, 20, 15, 22, 8, 2

• 6.89

• 10.1

• 7.26

• 9

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

• 4.1
• 6
• 4.5
• 4

Tags

CCSS.7.NS.A.3

Qualitative data is...

• descriptive information about qualities that cannot be expressed numerically or measured

• numerical information that can be measured, counted, or calculated

Quantitative data is...

• descriptive information about qualities that cannot be expressed numerically or measured

• numerical information that can be measured, counted, or calculated