Statistics and Probability

Dr. Dre is a dentist. He needs to report on the average number of cavities that his patients have.
1,0,1,5,6,3,4

• 3.33
• 2.85
• 3
• 3.5

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode.
12,10,10,10,13,12,11,13,10

• 13
• 12
• 11
• 10

The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?

• 99 was the highest score on the test.
• More students received a 94 than any other score
• No student scored below a 50
• A score of 91 was slightly below average.

On a small island, scientists kept track of the number of wolves and moose over time. Which trend did they record?

• A drop in wolf population and a drop in moose population

• An increase in wolf population and a drop in moose population

• A drop in wolf population and an increase in moose population

• An increase in wolf population and an increase in moose population

According to this chart, which plant seems to grow best in full or partial sun?

• Geranium

• Impatiens

• Fuchsia

• Trillium

Which type of milk is the favorite of respondents to this survey?

• Plain skim milk

• Plain 1% milk

• Plain 2% milk

• Plain whole milk

Mrs. Trevino has 3 red pens, 5 pink pens, and 8 blue pens. What is the probability that she will choose a blue pen to grade papers?

• 1/2

• 8

• 3/16

• 16/8

A bag contains 15 yellow cubes, 6 blue cubes, and 4 red cubes. If you select a cube at random, what is the probability the cube will NOT be yellow?

• 25/15

• 2/5

• 15

• 5/3

What is the probability of rolling a 3 and spinning a red?

• 1/6

• 1/4

• 1/10

• 1/24