Measure of Center and Variability of Data

What is the mode of the scores?

(a)  

What is the median of the scores?

(a)  

The temperature in Michigan City on this date in the last ten years were: 68, 68, 69, 70, 72, 70, 68, 75, 55, 67. What is the mean temperature on this date over the last ten years?

(a)  

Tags

CCSS.6.SP.B.5C

All of the below sets have the same mean.
Set 1-Standard Deviation=3.1
Set 2-Standard Deviation=4.9
Set 3-Standard Deviation=1.7
Set 4-Standard Deviation=3.2
Which set of data probably has the points closest to the mean?

• 1
• 2
• 3
• 4

Ervin bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the standard deviation of Ervin's scores?

Round to the nearest hundredths.

(a)  

In a population of five university students with GPAs of 2.5, 2.3, 1.7, 1.4, and 1.1, a sample of three students are considered. What would be the standard deviation of the resulting sampling distribution?

Round your answer to the nearest hundredth.

(a)  

What is the interquartile range (IQR)?

• 4
• 6
• 2
• 8

Tags

CCSS.6.SP.B.5C

What value is the lower quartile (Q1)?

• 66
• 58
• 60
• 64

Tags

CCSS.6.SP.B.5C

What percent of students have a height between 58 inches and 60 inches?

• 25%
• 50%
• 75%
• 100%

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

What percentage of the data is between 90 and 140?

• 25 %
• 50%
• 75%
• 100%

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1