Stats Cumulative Review

What is the interquartile range?

• 4
• 6
• 2
• 8

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Find the Median?

• 95

• 97.2

• 96.8

• 98

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

This data is normally distributed.  What percent of the data is in the shaded region?

• 68%
• 95%
• 99.7%
• 50%

Tags

CCSS.6.SP.A.2

CCSS.6.SP.B.4

What does this symbol represent?

• Standard Deviation
• Variance
• Mean Absolute Deviation
• Sigma

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the mean?

• # happening the most
• the number in the middle
• biggest-smallest
• the average

Tags

CCSS.8.EE.C.7B

A group of people or things we wish to know about

• Sample
• Population
• Hypothesis
• Parameter

Tags

CCSS.HSS.IC.B.3

In South Korea a survey of 4564 adults ages 18 and over found that 1328 of them own at least one pet.
What is the population and sample? 

• Population: Adults 18 and over
  Sample: 1328
• Population: 1328
  Sample: Adults 18 and over 
• Population: 4564
  Sample: 1328
• Population: Adults 18 and over
  Sample: 4564

If you scores on the last 5 tests were 85, 90, 67, 75, 68.  What should you score on the last test to make a B in the class.

• 80
• 95
• 85
• 15

Between what two standard deviations of a normal distribution contain 68% of the data?

• one below and one above
• two below and two above
• two below and zero
• zero and two above

The z-score represents.....

• the amount of standard deviations a data value is above or below the mean.
• the percentile the data value is above or below the mean.
• the amount of standard deviations a data value is above or below the median.
• the percent the data value is above or below the mean.