Statistics

What is the mean of this set of data?

2, 15, 7

• 24

• 3

• 6

• 8

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Find the median of these numbers:
2, 3, 4, 5, 5, 7

• 4
• 5
• 4.5
• 6

Tags

CCSS.7.EE.B.3

If you score 76, 85, 97, and 83 on your math tests, what would your median score be? 

• 84
• 90
• 85
• 88

Tags

CCSS.7.EE.B.3

A data set can have more than one mode

• True
• False

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

33, 25, 42, 25, 31, 37, 46, 29, 38
What is the third quartile of the data?

• 37
• 38
• 40
• 46

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

33, 25, 42, 25, 31, 37, 46, 29, 38
What is the first quartile of the data?

• 25
• 27
• 29
• 33

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

33, 25, 42, 25, 31, 37, 46, 29, 38
What is the interquartile range of the data?

• 8
• 9
• 13
• 21

Tags

CCSS.HSA-SSE.A.1A

A survey should always be ____ and ____.

• random and biased
• random and unbiased

Tags

CCSS.HSS.IC.B.3

At an assembly 7 out of 10 students who entered the gym were carrying a backpack. Based on this information, if 700 students were at the assembly, how many students could be expected to be carrying a backpack?

• 49

• 490

• 210

• 421

Tags

CCSS.7.RP.A.3

Ana wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?

• thirty students who are often tardy
• thirty students who are rarely tardy
• thirty of her friends
• thirty randomly selected students from her school

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.B.5