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Grade7 Statistics and Probability Flashcards | StudBud
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Grade7 Statistics and Probability
Grade7 Statistics and Probability
10 terms
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Grade 7 Statistics and Probability Review
Flashcards
10 cards
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Practice quiz
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Questions
10
Answers
1
What is the range of the following data set? 23, 67, 7, 46, 7, 22, 17, 1
60
39
45
66
2
What is the mean of the following data? 23, 67, 7, 46, 7, 22, 17, 1
None of the above
23.25
23.75
23.5
3
Mary rolls a 3 on a fair die. Is she more or less likely to get a 3 on her next roll?
Not enough info to tell. The die could be loaded.
Less likely because getting the same score twice is unlikely
It makes no difference, they are independent events.
More likely because there is probably a pattern.
4
What is the minimum value of a data set?
The mean
The lowest value
The median value
The greatest value
5
What is the mean of the following data? 23, 67, 7, 46, 7, 22, 17, 1
None of the above
25
24.25
24
6
What is the maximum value of a data set?
The lowest value
Zero
The mean
The greatest value
7
How would you calculate the mean of the following data set? 23, 67, 7, 46, 7, 22, 17, 1
Line them up in order and find the middle one
Add them up and divide the total by 7
Divide 8 by their sum
Divide their sum by 8
8
What is the range of a set of data?
How many kilometres is roams per day
A chain of hills or mountains
Maximum minus Minimum
Minimum minus Maximum
9
What is the mode of the following data? 23, 67, 7, 46, 7, 22, 17, 1
19.5
7
22 and 23
22.5
10
What is the median of the following data? 23, 67, 7, 46, 7, 22, 17, 1
22.5
19.5
7
22 and 23
