Data Analysis

How many more eggs were laid on Friday than Wednesday?

• 84

• 36

• 24

• 60

The graph below shows the number of sunny days and rainy days in a city during four months.

Based on the graph,how many more sunny days than rainy days did this city have during the months of April, May, and June?

• 21

• 56

• 26

• 20

The dot plot below shows the points scored by players in a basketball game.

What is the difference between the number of players who scored fewer than 4 points and the number of players who scored more than 4 points?

• 4 players

• 10 players

• 13 players

• 15 players

What is the mean of the data set [10, 20, 30, 40, 50]?

• 20

• 25

• 30

• 35

What is the median of the data set [4, 8, 6, 3, 9]?

• 4

• 6

• 8

• 9

The median of the data set 3, 7, 9, 6, and 12 is:

• 7

• 6

• 9

• 8

What is the median of the data set [3, 7, 9, 13, 15]?

• 7

• 9

• 11

• 13

Imagine Abigail, Benjamin, and Ethan are comparing their scores in a game. They scored {12, 15, 13, 19, 12, 16, 14} respectively in seven rounds. Can you help them find the median score?

• 14

• 15

• 13

• 12

Answer explanation

To find the median, first arrange the data set in ascending order: {12, 12, 13, 14, 15, 16, 19}. Since there are 7 values, the median is the middle value, which is 14.

308 people were surveyed about how they got to school. How many ride their bike?

• 112 people

• 847 people

• 130 people

• 110 people

What percent of people chose gummy bears as their favorite candy? 

• 25%

• 15%

• 30%

• None of these