Unit 5 test

36,90,80,76,78,80,92

Find the Mean​ ​ (a)   ​ ​

Find the Median​ (b)   Find the range​ (c)  

• 76
• 80
• 56

36,90,80,76,78,80,92

Find the IQR of the data set.

• 12

• 14

• 41

• 11

The high temperatures for a 7 day week during December in Chicago were

29, 31, 28, 32, 29, 27, 55.

What is the range for the week.

• 28

• 22

• 27

• 26

Find the median of the data set

18, 23, 9, 16, 30, 16, 7, 36

• 16

• 13

• 17

• 15

Determine the distribution of the data in the stem and leaf plot.​ ​ ​ (a)  

• skewed right
• skewed left
• symmetric
• cannot be determined

Find the mean of the data set.

-36, -25, 12, -3, 18

​ ​ (a)  

• -6.8
• -8.4
• 6.8
• 4.3

Which strategy for sampling will be more likely to produce a representative sample at the elementary school?​ ​

• Ask every 4th student entering school if they have a pet.

• Ask the 2nd graders if they have a pet.

• At lunch ask students in Ms. McCrory's class.

Label the box plot.

e

d

c

b

a

Q3

8

Q2

1

Q1

Which statement is true about the dot plots?

• The range for both data sets is equal.

• Jamal's median is 6.5

• Kendall has a greater mode.

The students at CMS were surveyed about what flavor of ice cream they like best.

Does this situation represent the population or a sample?

​ (a)  

​

• population
• sample