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WorksheetsReview Unit 10
Total questions: 29
Worksheet time: 2hrs 22mins
What is the median of this data set?
20 , 1 , 7 , 19 , 11 , 19
11
15
19
20
What is the median of this data set?
5, -2, 4, 2, -3, 0
-1
0
1
2
At Dominique's Donuts the number of donut holes in a bag can vary. Help Dominique find the mode.
12,10,10,10,13,12,11,13,10
13
12
11
10
Ervin bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Ervin's scores?
193
127
60
66
5,11,2,12,4,2
Find the Mean Absolute Deviation: 10, 9, 3, 8, 10. The Mean is 8
3
5
1
2
Which mean absolute deviation would have a greater variability or spread? 4.2 or 8.5?
4.2
8.5
What is the median?
62
58
66
60
What value is the lower quartile (Q1)?
66
58
60
64
Which box and whisker plot has the smaller median?
Top plot
Bottom plot
What percent of the data is between 25 and 30 on the number line?
25%
`50%
75%
100%
What is the interquartile range (IQR)?
4
64
60
8
Estimate the correlation coefficient.
r=0
r=-1
r=1
r=2
What is a line of best fit used for?
To make predictions
To make the graph look pretty
To connect the points
To make it look like you know what you are doing
About how many male math teachers were there in 2006?
15
30
35
45
Rich is a member of a gym. He pays a monthly fee plus a per-visit fee. The equation below represents the monthly amount Rich pays for his membership to the gym per month for x visits.
y=3x+10
What does the y-intercept of the graph of this equation represent?
The monthly fee
How much Rich pays per visit
The number of times Rich goes to the gym
The total cost at the end of the month
-.8
-.2
.8
.2
What is the correlation coefficient?
.9
-.5
.5
-.9
What is the correlation coefficient?
.3
-.8
.8
-.3
