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Math 7/8: Probability and Statistics Flashcards | StudBud
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Math 7/8: Probability and Statistics
Math 7/8: Probability and Statistics
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Questions
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Answers
1
Box and Whisker
B
D
E
C
2
Compound Probability
3/8
15/16
1/16
1/8
3
When rolling a standard die, what is the probability of rolling a number greater than or equal to 5?
1/3
1/6
5/6
2/3
4
What is the median of the data?
8
6
4
5
5
When flipping a coin, what is the probability of getting tails?
2
1
1/2
2/1
6
What is the MODE?
7 only
2, 7, & 9
4.5
7 & 9
7
Box and Whisker
25%
20%
17%
50%
8
What is the mode of the data?
6
4
5
8
9
3 red, 4 blue, 2 green lollies are in a dish. Find Pr (not blue).
2/9
4/9
5/9
1/3
10
What is the mean of the data?
8
4
5
6
11
The mean absolute deviation of a data set is 12.25. What does this mean about the data set?
Not enough information
There is high variability in the data.
There is low variability in the data.
The mean is 12.25
12
What is the sample space when flipping a coin?
1/2
Heads, Tails
Heads
Tails
13
What is the MAD (mean absolute deviation) of the data?
8
1.\overline{3}
4
1
14
What is the MEAN of a data set?
Most common value
Middle value of the data in order
Add up the data values and divide by the number of values
15
What is the Mean of the following numbers?
12
5
60
30
16
What is the mode of a data set?
the average
the one that occurs most
the outcast
the distance between the highest and the lowest
17
How many combinations are possible for one burger, one side, and one drink?
16 combinations
10 combinations
32 combinations
36 combinations
18
What is the median of a data set?
The middle number, when arranged from least to greatest.
The number that appears most often.
The difference between the greatest and least numbers.
The average of all the numbers.
19
Find the interquartile range
12
3
4
9
20
When rolling a standard die, what is the probability of rolling a number less than 4?
4/6
1/2
3/6
1/6
21
Find the compound probability of rolling a 3, and then an even number?
1/6
1/12
1/2
1/8
22
What is the sample space for the spinner?
1/6
R, Y
R, R, R, R, R, Y
Sppppiiiiiinnnnnnnnn!!!!
23
The mean absolute deviation ....
is an angry little deviant
is the mean of all of the data
is the average distance between each data value and the mean
uses the median in its calculation
24
When looking at the mean absolute deviation of a data set, the lower the MAD, the less variation in the data set.
False
True
25
A card is drawn from a full deck (52 cards, 4 suits). Find the probability of a 2 or 7 being drawn.
9/52
1/26
1/13
2/13
26
3 red, 4 blue, 2 green lollies are in a dish. one is selected what is the Pr(it is green)?
1/3
1/9
4/9
2/9
27
Which is NOT a measure of Central Tendency?
Median
Mean
Mode
Range
28
32. Box and whisker
A
C
B
D
