04-17-20 Data and Sampling Test

Fundraisers for the local college test a new telemarketing campaign by obtaining a list of all alumni and selecting every 100th name on that list. Which sampling type is this?

• simple random

• systematic

• convenience

• stratified

An engineering student measures the strength of fingers used to push buttons by testing family members. Which sampling type is this?

• simple random

• systematic

• convenience

• stratified

What is the median of this data set?

3 , 17 , 17 , 11 , 8 , 13 , 5 , 18

• 11

• 12

• 13

• 17

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the mode of the following data set?

5, 7, 7, 8, 12 , 12, 5, 6, 13, 12

• 5

• 7

• 12

• no mode

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

The heights of 4 different people are: 1.55m, 1.52m, 1.81m, and 1.91m. The range of these heights is:

• 0.39m

• 0.21m

• 0.27m

• 0.16m

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Find the mean number of phones using the given frequency table.

• 2.56

• 2.3

• 1.5

• 2.2

Find the median number of phones.

• 2

• 2.5

• 3

• 1.5

Find the mean of the heights from the given frequency table.

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OFF

Using the cumulative frequency graph, determine the median monthly income.

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Using the cumulative frequency graph, what percentage of families made more than $2000 a month?

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OFF