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Statistics and Probability Review
Statistics and Probability Review
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Statistics and Probability Review
Flashcards
16 cards
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Practice quiz
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Questions
16
Answers
1
The probability of getting exactly 2 heads when you flip a coin 4 times is? (Draw tree diagram)
6 / 16
1/16
None of the above.
4/16
2
What is the general rule for this pattern: 2, 4, 6, 8, 10, ......
2n
n2
+2
n+2
3
What is the general rule for this pattern: 14, 20, 26, 32, 38......
They are all even numbers
6n+8
+6
6n+14
4
What is the range of a set of data?
A chain of hills or mountains
How many kilometres is roams per day
Maximum minus Minimum
Minimum minus Maximum
5
What is the mode of the following data? 23, 67, 7, 46, 7, 22, 17, 1
22.5
7
19.5
22 and 23
6
What is the range of the following data set? 23, 67, 7, 46, 7, 22, 17, 1
39
45
60
66
7
What is the general rule for this pattern: 2, 4, 8, 16, 32, ......
x2
2n
2n
n2
8
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
Line them up in order and find the middle one
Add them up and divide the total by 7
9
What is the minimum value of a data set?
The mean
The greatest value
The median value
The lowest value
10
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.
More likely because there is probably a pattern.
It makes no difference, they are independent events.
Less likely because getting the same score twice is unlikely
11
What is the name of the singer pictured in the previous question who lived by "No rules"?
Sid Vicious
Captain Sensible
Jonny Rotten (aka John Lydon)
Lux Interior
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 is the median of the following data? 23, 67, 7, 46, 7, 22, 17, 1
7
19.5
22.5
22 and 23
14
What is the general rule for this pattern: 4, 6, 8, 10, 12, ......
2n+2
2n
4n-2
+2
15
What is the maximum value of a data set?
Zero
The greatest value
The mean
The lowest value
16
What is the mean of the following data? 23, 67, 7, 46, 7, 22, 17, 1
24
24.25
25
None of the above
