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Statistics & Probability
Statistics & Probability
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Basic Statistics pre-assessment
Flashcards
14 cards
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Practice quiz
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Host live
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Questions
14
Answers
1
Of the data: 4,6,7,8,10,2,3,5,7,6 - what is the mean?
10
5.8
8.2
6
2
What does the value 48 represent?
mean
upper quartile
lower quartile
median
3
How many bags of pretzels were used in this survey?
20
23
22
21
4
Which of the following is NOT a statistical question?
What is your favorite after-school activity?
What day does the Chess club meet?
How long does it take students to get to school?
5
How many students were surveyed?
22
24
23
21
6
What is an outlier?
The difference between the greatest and least values?
The average.
A value that is much bigger or much smaller than the rest.
The middle number.
7
What does the value 44 represent?
median
mean
lower quartile
upper quartile
8
Which measure of center is also known as the "average?"
Mean
Median
9
Of the data: 4,6,7,8,10,2,3,5,7,6 - what is the range?
6
8
10
10
What is the median?
The average.
The difference between the greatest and least value.
The middle number.
The number that appears most often.
11
What is the IQR (inter-quartile range)?
4
6
5
3
12
What is the value of the lower quartile?
48
41
43
44
13
What is the first step in finding the median?
Add them all up.
Order from least to greatest.
Divide by the number of values in the set.
Cross the numbers off until you find the center.
14
What is the Mode of the follwing data set? 2, 4, 5, 6, 3, 8, 5, 4, 3, 5
6
2
3
5
