7.8 Probability & Statistics

Isidro flips a fair coin 40 times. How many times can he expect heads to appear?

• 4
• 10
• 15
• 20

Tags

CCSS.7.SP.C.6

What is the probability of spinning green?

• 0
• 1/4
• 1/2
• 3/4

Tags

CCSS.7.SP.C.7B

Find the mean of these numbers:
5,11,2,12,4,2

• 4.1
• 6
• 4.5
• 4

Tags

CCSS.7.NS.A.3

Find the median:
5, 6, 3, 9, 0, 4, 1, 2, 7

• 4
• 4.1
• 5
• 4.5

Tags

CCSS.6.SP.B.5C

A bag has 4 green marbles, 3 red, 2 blue and 1 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 3/6

• 1/9

• 1/3

Tags

CCSS.7.SP.C.7B

Probability is ...

• the chance that some event will occur.
• a game that involves coins.
• a guarantee.

Tags

CCSS.7.SP.C.5

What does MAD stand for?

• Mean Average Determined

• Mean Absolute Deviation

• Median Almond Dance

• Median Absolute Determined

Tags

CCSS.6.SP.B.5C

Find the MAD of these numbers 25, 23, 28, 29, 27, 32, 24, 26, 22, 27

• MAD=26.3

• MAD=29.3

• MAD=2.93

• MAD=2.63

Tags

CCSS.6.SP.B.5C

Gabe took a survey of students in his school to see how many have a pet.  He surveyed 48 students, and 30 said they have a pet.   Based on Gabe’s survey, if there are 600 students in his school, he might expect ____ of them to have a pet.

• 375
• 96
• 160
• 348

Tags

CCSS.6.RP.A.3B

Ms. Sajewski surveyed her students on the number of books they read last summer. Which is NOT true?

• The mode number of books read is one
• The median number of books read is 1.5
• Ms. Sajewski surveyed 20 students
• The mean number of books read is 3.25

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1