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Grade 7 Statistics and Probability Flashcards | StudBud
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Grade 7 Statistics and Probability
Grade 7 Statistics and Probability
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Grade 7 Statistics and Probability Review
Flashcards
14 cards
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Practice quiz
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Questions
14
Answers
1
The probability of getting 2 heads when you flip a coin 2 times is?
None of the above.
1/4
1/16
7/16
2
What is the mode of the following data? 23, 67, 7, 46, 7, 22, 17, 1
22.5
19.5
7
22 and 23
3
What is the mean of the following data? 23, 67, 7, 46, 7, 22, 17, 1
25
24
24.25
None of the above
4
How would you calculate the mean of the following data set? 23, 67, 7, 46, 7, 22, 17, 1
Divide their sum by 8
Divide 8 by their sum
Add them up and divide the total by 7
Line them up in order and find the middle one
5
What is the sample space for a coin flip?
H, T
1 - 6
2
4
6
Mary rolls a 3 on a fair die. Is she more or less likely to get a 3 on her next roll?
More likely because there is probably a pattern.
Less likely because getting the same score twice is unlikely
Not enough info to tell. The die could be loaded.
It makes no difference, they are independent events.
7
What is the range of a set of data?
Minimum minus Maximum
Maximum minus Minimum
A chain of hills or mountains
How many kilometres is roams per day
8
What is the range of the following data set? 23, 67, 7, 46, 7, 22, 17, 1
60
39
45
66
9
What is the median of the following data? 1, 2, 3, 4, 4
4
Three
3.5
3
10
What is the maximum value of a data set?
The lowest value
The mean
Zero
The greatest value
11
What is the mode?
Black
Pink
White
Blue
12
What is the mean of the following data? 23, 67, 7, 46, 7, 22, 17, 1
23.25
23.75
23.5
None of the above
13
What type of data is being collected?
Categorical, Nominal
Numerical, Continuous
Numerical, Discrete
Categorical, Ordinal
14
What is the minimum value of a data set?
The mean
The median value
The greatest value
The lowest value
