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.3

CCSS.6.SP.B.5

CCSS.6.SP.A.2

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.

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

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