Statistics and Probability Test

Which of the following questions is a statistical question?

• What is your favorite color?

• How many states are in the U.S.?

• How many pets do students in your class have?

• What is 12 × 8?

Tags

CCSS.6.SP.A.1

2. The following data shows the number of text messages sent in a day by 5 students: 45, 56, 60, 49, 50. What is the mean number of texts sent?

• 52

• 53

• 54

• 55

Tags

CCSS.6.SP.B.5C

Using the data above, what is the median?

• The median is 5.

• The median is 10.

• The median is 15.

• The median is 20.

Tags

CCSS.6.SP.B.5C

What is the mode of this data set: 12, 15, 18, 12, 20, 22, 12, 18?

• 12

• 18

• 15

• There is no mode

Tags

CCSS.6.SP.B.5C

Which measure is most affected by extreme values?

• Mean

• Median

• Mode

• Range

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

6. A math test was taken by 6 students, and their scores out of 10 were: 8, 6, 9, 7, 10, 3. What is the mean absolute deviation (MAD) of the test scores?

• 1.5

• 2

• 2.5

• 3

Tags

CCSS.6.SP.B.5C

What is the probability of flipping a coin and it landing heads up?

• 1

• 0.5

• 0.25

• 2

Tags

CCSS.7.SP.C.5

8. If you roll a number cube (1–6), what is the probability of rolling an even number?

• 1/6

• 1/3

• 1/2

• 2/3

Tags

CCSS.7.SP.C.7A

A bag contains 3 red marbles, 5 blue marbles, and 2 green marbles. What is the probability of randomly selecting a green marble?

(a)  

• 1/5
• 2/10

• 1/2
• .25

Tags

CCSS.7.SP.C.7B

A spinner is divided equally into 8 sections: 3 are yellow, 2 are red, and 3 are blue. What is the probability of not landing on red?

• 5/8

• 1/8

• 3/8

• 1/2

Tags

CCSS.7.SP.C.7B