Statistics Review

What is the median of the following data set?

25, 42, 36, 12, 19

• 36

• 25

• 39

• 26.5

What is the mode of a data set?

• The middle value

• The number that occurs most frequently

• The average

• The difference between the max and min values

What is the range of a data set?

• The middle value

• The number that occurs most frequently

• The average

• The difference between the maximum and minimum values

Based on the dot plot, how many students ate 5 or more candy bars?

• 4

• 9

• 5

• 8

Mario compares random download times of movies from three difference services using the table. Find the mean of WhoKnew

• 4.5

• 4.7

• 4.8

• 5.0

Tags

CCSS.6.SP.B.5C

The double box-and-whisker plot shows the results of the growth of plants under natural and artificial light sources. What conclusion can be drawn based on the results displayed?

• The growth for the plants in Group Q was greater since the median for Group Q is higher than the median for Group P.

• The growth for the plants in Group P was greater since the median for Group P is higher than the median for Group Q.

• The growth for the plants in Group Q were lower than the growth of the plants in Group P since Group Q has a lower IQR.

• The growth for the plants in Group P were lower than the growth of the plants in Group Q since Group P has a lower IQR.

Would the following represent a random sample or a biased sample?

Determining whether HBT or SW is better at sports by asking only the residents zoned for HBT.

• random sample

• biased sample

Andy is comparing how long two tablets can be used after being fully charged. Use the measures of variability to make an inference about the data.

• The IQR for tablet A is higher so tablet A's battery life is more consistent.

• The MAD is lower in tablet B's battery life so Tablet B is more consistent.

• On average Tablet A's battery will last longer.

• On average Tablet B's battery will last longer.

What is the interquartile range of test scores for 1st Period?

• 70-95

• 75-90

• 15

• 10

Tags

CCSS.6.SP.A.2

CCSS.6.SP.B.5

CCSS.6.SP.A.3

CCSS.6.SP.A.1

CCSS.6.SP.B.4

Fifty percent of the test scores in 2nd Period were below what score?

• 82

• 75

• 85

• 93

Tags

CCSS.6.SP.A.2

CCSS.6.SP.B.5

CCSS.6.SP.A.3

CCSS.6.SP.A.1

CCSS.6.SP.B.4