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Chapter 9 Review Flashcards | StudBud
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Chapter 9 Review
Chapter 9 Review
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Two #twowaytable #statistics #frequency #probability #relativefrequency
Flashcards
8 cards
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Practice quiz
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Questions
8
Answers
1
Find the mean of 2, 4, 4, 5, 8, 9, 12, 12, 13, 18.
8.7
9.5
8.925
9.25
2
How many people were surveyed?
320
180
60
240
3
How many girls speak french?
22
2
12
30
4
Which statement is true about the scatter plot?
positive and linear
positive and nonlinear
negative and nonlinear
negative and linear
5
Find the median of 2, 4, 4, 5, 8, 9, 12, 12, 13, 18.
9
8
9.5
8.5
6
Out of the people surveyed what percent preferred high school?
36%
33%
51%
73%
7
Which is true?
As sales decrease, temp increases
As temp decreases, sales increase
As temp increases, sales increase
As sales increase, temp decrease
8
Based on the diagram predict the sales for a 18
o
day.
$125
$415
$250
$300
