Statistics Review 2020

What is the median of this data set?
3 , 17 , 17 , 11 , 8 , 13 , 5 , 18

• 11
• 12
• 13
• 17

Tags

CCSS.7.EE.B.3

The height of three basketball players is 210 cm, 220 cm and 191 cm. Find the mean of the players' heights.

• 210

• 207

• 220

• 200

A sample of the Ben & Jerry's employees took a survey on their favorite flavor of ice cream. The table shows how many employees voted for each flavor. What is the probability that an employee voted for Cookies and Cream?

• 7/25

• 35 / 730

• 35 / 100

• 7/18

• 94
• 104
• 204
• 224

Tags

CCSS.HSN.VM.C.6

• 100

• 150

• 200

• 250

Tags

CCSS.7.RP.A.3

To get valid results, a sample must be...

• biased

• unbiased

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

To determine if my students like Math, I surveyed every 3rd student that walked into my classroom. This is an example of a ...

• simple random sample

• systematic random sample

• convenience sample

• voluntary response sample

To determine how many students at SSMS would attend the dance, the Ms. McGinn surveyed the students in Mrs. Marzocca's math class. 10 students said they would attend and 15 said they would not attend. It can be concluded that half the students at SSMS will attend the dance. Is this conclusion valid? Why or why not?

• Yes, this is a simple random sample. So the sample is unbiased.

• No, this is a convenience sample. So the sample is unbiased.

• No, this is a voluntary response sample. So the sample is biased.

• No, this is a convenience sample. So the sample is biased.

• A. Mean

• B. Median

• C. Mode

• D. Range

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.1

CCSS.6.SP.B.4

What is the upper quartile of the set of data; 2, 4, 6, 6, 7, 8, 10

• 4

• 6

• 8

• 2

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5