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Probability and Statistics Test Review Flashcards | StudBud
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Probability and Statistics Test Review
Probability and Statistics Test Review
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Answers
1
What does a Z-score of -1 mean?
The mesurement is 1 standard deviation above 0
The mean is 1 standard deviation less than the measurement
The mesurement is 1 standard deviation less than the mean.
There is an error
2
The following Dot Plot shows the number of brothers people have. What is the median?
All of the above
No median
3 and 1
2
3
The mean # of cookies sold in Lia's troop was 28 with a SD of 8. If Lia's z-score was -1.5, how many boxes did she sell?
16
-8
28
12
4
If the variance for a data set is 104.04, what is the standard deviation
10
10.2
104.04
103
5
What is the lower quartile of ( 4, 6 , 7, 8, 10, 12, 20)?
7
4
8
6
6
What is another term for First Quartile
Lower Quartile
Upper Quartile
Q1
Uno
7
Mean, Median, and Mode are all mesures of central tendency.
False
True
8
Ms.Jordan an awesome teacher!
False
True
9
What is the median of the following set? ( 1, 3, 3, 6, 7, 8, 9 )
12
8
6
3
