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Math 4 Success Ch16

Total questions: 15

Worksheet time: 14mins

Name
Class
Date
1.

Find the mean (average):

Dinners Served = 489, 561, 522, 450

(a)  

2.

Find the mean (average):

Paychecks received = $89.56, $99.99, $56.54

(a)  

3.

Find the mean (average) from the following word problem:

Val's science grades were 95, 87, 65, 94, 78, and 97. What was her average?

(a)  

4.

Find the mean (average) from the following word problem:

Ann runs a business from her home. The number of orders for the last 7 business days were 17, 24, 13, 8, 11, 15, and 9. What was the average number of orders per day?

(a)  

5.

Find the data missing from the following problem:

Rian earned $68.00 on Monday. How much money must he earn on Tuesday to have an average of $80.00 earned for the two days?

(a)  

6.

Find the data missing from the following problem:

Celeste made scented candles to give away to friends. She had 2 pounds of candle wax which she melted, scented, and poured into 8 molds. What was the average weight (in ounces) of each candle?

(a)  

7.

What is the median in each list of numbers:

7, 2, 3, 6, 5, 1, and 8

(a)  

8.

What is the median in each list of numbers:

10, 8, 21, 14, 9, and 12

(a)  

9.

Find the mode in the following list of numbers:

88, 15, 88, 17, 18, 88, 17

(a)  

10.

Find the mode in the following list of numbers:

56, 67, 67, 19, 56, 67, 20

(a)  

11.

For the scatter plot determine if the relationship between the two variables is "positive", "negative", or "no relationship".



(a)  

12.

For the scatter plot determine if the relationship between the two variables is "positive", "negative", or "no relationship".

(a)  

13.

For the scatter plot determine if the relationship between the two variables is "positive", "negative", or "no relationship".

(a)  

14.

Pick the correct answer: For the two graphs determine which shows the results in a misleading way and why.

a)

Graph A because it you can't see the actual amount of weight lost in the graph.

b)

Graph B because the y-axis doesn't begin at 0.

c)

Graph A because it's almost a straight line.

15.

Pick the correct answer: For the two graphs determine which shows the results in a misleading way and why.

a)

Graph B is misleading because all temps are grouped around 50.

b)

Graph A is misleading because there is a big difference between Wed. and Thur.

c)

Graph A is misleading because it doesn't start at 0.