Statistics and Data

The neighborhood elementary school is having a fund raiser. The following table shows the number of packages of gift wrap sold each day. What is the mean number of packages of gift wrap that are sold?

• 57

• 72

• 75

• 94

For one week, Jeremy counted the number of sea shells he found each day on the beach. His numerical data set was: 20, 37, 4, 2, 35, 33, 2 What is the range for Jeremy’s data set? 

• 20

• 33

• 35

• 2

Tags

CCSS.4.MD.B.4

During the week, Kiana kept a log of how many hours she spent after school on homework. Based on the information in the table above, which would best describe her homework habits?

• Kiana studied an average of 2.3 hours a week.

• The range is so spread out; it appears Kiana has inconsistent study habits.

• Kiana spends, on average, at least 20% of each day doing homework.

• The data indicates that Kiana studies more towards the end of the week.

In the last 5 games, Kevin Durant scored 22, 22, 18, 12, and 21 points. What is Durant's Mean (Average) score per game?

•  19 points per game

• 95 points per game

• 18.6 points per game

• 22 points per game

Identify the Sample:
A restaurant wants to know if customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert.

• 20 customers

• All customers

• 8 customers

• Dessert

What is the MEAN for this data?

• 80

• 1040

• 13

• 81

What is the outlier for this data?

• 90

• 96

• 102

• 108

How many students were greater than or equal to 60 inches tall?

• 21

• 11

• 17

• 6

Tags

CCSS.2.MD.D.9

What is the MODE of this data?

• 100

• 20

• 80, 85, and 90

• none

True or False
The interquartile range is the difference between the upper quartile (Q3) and the lower quartile (Q1).

• True

• False