Measures of Center and Spread

An entire data set can be summarized using one statistic. This statistic is most likely the _______.

• mode

• standard deviation

• range

• mean

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Jade subtracted the smallest value from the largest value in the data set. What statistic was she calculating?

• standard deviation

• range

• variance

• mean

The ____________ is equal to mean of the absolute value of the deviations for a set of data.

• standard deviation

• range

• mean absolute deviation

• maximum value

According to the picture, what is the mean of the data set?

• 6.3

• 44

• 3.6

• 3.3

According to the picture, what is the sample standard deviation of the data set?

• 6.3

• 44

• 3.6

• 7

Which statistics measures how spread out the data values are in a data set?

• mean

• mode

• maximum value

• standard deviation

The following symbol represents what? 

• the mean

• the median

• the standard deviation

• the mode

• the mean absolute deviation

According to the Empirical Rule, what percentage of data values lie within ONE standard deviation of the mean?

• 68%

• 95%

• 99.7%

• 100%

Tags

CCSS.HSS.ID.A.4

According to the Empirical Rule, what percentage of data values lie within TWO standard deviation of the mean?

• 68%

• 95%

• 99.7%

• 100%

Tags

CCSS.HSS.ID.A.4

CCSS.HSS.ID.A.3

The standard deviation for the following data is 10.43: 86, 95, 78, 67, and 85. What values are within one standard deviation of the mean?

• Values between 71.77 and 92.63.

• Values between 63.56 and 97.81

• Values between 75.32 and 88.90

• Values between 73.91 and 90.44