Data Analysis Math

What is the MEDIAN of this data?

• 90

• 20

• 80 and 90

• None

What is the median of the data?

• 200

• 100

• 90

• 140

Which of the following best describes the process of finding the range for a set of data?

• ADD the biggest and smallest numbers

• Place the number in order from least to greatest then find the middle.

• Find the difference between the Maximum and the Minimum.

• Find the average.

What is the RANGE of this data?

• 40

• 100

• 60

• 45

A survey showed that 8 out of 10 students prefer chocolate ice cream over vanilla. What is the probability that a randomly selected student prefers chocolate?

• 20%

• 40%

• 80%

• 100%

A survey of 20 students found that 15 students like chocolate ice cream, and 5 students like vanilla ice cream. What percentage of the students like chocolate ice cream?

• 25%

• 50%

• 75%

• 95%

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.

What is the median of the data set [12, 15, 10, 8, 20, 14] after arranging it in ascending order?

• 12.5

• 13

• 14

• 14.5

From the data set [5, 8, 8, 10, 10, 10, 11], what is the mode?

• 5

• 8

• 10

• 11

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

• 7

• 6

• 9

• 8