Chapter 1: Quiz 1

The bar graph shows the favorite colors of 20 students in a class.

How many more of them favored orange than those who favored green?

• 2

• 4

• 3

• 5

Anna did a survey where she asked all the children in her school to name their favorite pet. The results are shown in the pie chart:

If there were 800 children in the school, how many said their favorite pet was Fish?

• 4

• 9

• 12

• 32

Jerry recorded the temperature in his room every two hours over a 12 hour period from noon to midnight. The results are shown in the line graph.

What was the difference between the highest and the lowest temperatures Jerry recorded?

• 25

• 40

• 35

• 30

How many paintings did the painter sell in March?

• 20

• 4

• 10

• 25

The histogram shows the heights of 21 students in a class, grouped into 5-inch groups. How many students were greater than or equal to 60 inches tall?

• 21

• 17

• 11

• 6

Which letter occurs the most frequently in the following sentence?

THE SUN ALWAYS SETS IN THE WEST.

• E

• S

• T

• W

A fair die was thrown 100 times. The frequency distribution is shown in the following table:

How many throws scored less than 3?

• 11

• 34

• 45

• 56

• 3/4

• 1/2

• 1/3

• 1/4

A bag contains 3 red marbles and 4 blue marbles.

Two marbles are drawn at random without replacement.

If the first marble drawn is red, what is the probability the second marble is blue?

• 3/7

• 1/2

• 4/7

• 2/3

A box contains 5 green pencils and 7 yellow pencils.

Two pencils are chosen at random from the box without replacement.

What is the probability they are both yellow?

• 7/22

• 49/144

• 6/11

• 7/12