Math Data Analysis

Four students are traveling to a math contest. The table shows the weights of the four students' suitcases. What is the order of the weights of the suitcases in pounds from greatest to least?

• 21.605

  24.8

  21.48

  24.75

• 24.8

  24.75

  21.48

  21.605

• 24.8

  24.75

  21.605

  21.48

• 21.48

  21.605

  24.75

  24.8

Compare the following decimals:

38.042 ___ 38.42

• <

• >

• =

• not here

Tom went to the store and bought chairs. Each chair cost 5 dollars. How much money did Tom spend for the 4 chairs he bought?

• $20

• $1

• $15

• $10

Sunrise Goat Farm has 5 pens.  
Each pen has 9 goats.  How many goats are on the farm?

• 59

• 45

• 15

• 96

Find the median of the following data set: 3, 7, 9, 5, 12.

• 5

• 7

• 9

• 6

The mean of the data set {4, 8, 6, 10, 2} is:

• 5

• 6

• 7

• 8

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%

What is the difference between the largest and smallest numbers in the data set [5, 12, 7, 19, 5]?

Mathematical Equivalence

ON

What is the mode of the data set [2, 3, 4, 4, 5, 6, 6, 6, 7]?

• 2

• 4

• 6

• 7