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Keystone Exam Review Probability/Statistics Flashcards | StudBud
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Keystone Exam Review Probability/Statistics
Keystone Exam Review Probability/Statistics
30 terms
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Keystone Exam Review - Algebra
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
What is the mean of the following set of data? 10, 18, 29, 35, 28?
120
24
36
21
2
The probability of pulling a red marble out of this bag is...
3/10.
10/10.
7/10.
1/10.
3
In this plot, the minimum is ______ and the maximum is ______.
5, 8.5
8.5, 14
5, 20
5, 12
4
The numbers in this stem and leaf plot go from...
36 to 5000.
2 to 5.
6 to 50.
6 to 78.
5
When you find the mean, you add all the numbers and divide by...
the largest number.
the amount of numbers you added.
the funniest number.
2.
6
Before finding the median of a set of data, you must first put the numbers in..
your mind.
alphabetical order.
a fraction.
numerical order.
7
This scatterplot shows...
a negative correlation.
a positive correlation.
an osmosis correlation.
no correlation.
8
What is Q1 in the plot below?
70
80
90
100
9
The numbers 1, 2, 3, 4 make up the ________ of this stem and leaf plot.
trunk
stem
leaf
step
10
The probability of spinning and landing on green is...
the same as spinning blue.
lower than spinning blue.
higher than spinning red.
lower than spinning red.
11
What is the mode? 41, 23, 65, 78, 32, 90, 3, 45, 67, 35, 28
No mode
90
0
41
12
In this stem and leaf plot, the mode is
happy
27
21
41
13
If we spin this arrow, the probability of getting blue is...
the same as the probability of getting green.
poor because the blue sections are next to each other.
100% because it's at the top.
good because it's Mrs. McFarland's favorite color.
14
Probability...
is measured in pounds.
is always expressed in negative numbers.
describes how likely it is that an event will happen.
means something will probably happen.
15
The line drawn through the middle of the dots is called the...
trend line.
line of best fit.
magic parallel.
hypothalamus.
16
In this stem and leaf plot, 9|4 means
9.4%
94%
An "A"
$94
17
The median of 6, 3, 8, 9, 2, 4, 1, 7 is...
7
6
too hard to calculate
6.5
18
Mrs. Zdunczyk's favorite candy is...
jelly beans.
gummy bears
corn.
pizza
19
Mrs. Zdunczyk's favorite pizza is from...
Azzura's
Pizza Hut.
Little Caesar's.
K-Mart.
20
What is the median of this group of numbers? 4, 13, 5, 7, 11
5
7
8
13
21
The probability of rolling two sevens with a pair of dice is...
0%
33%
75%
25%
22
What is the range of this set of data? 5, 6, 83, 9, 12, 7, 21, 98, 4, 52, 52
4
47
98
94
23
If we flip this coin 100 times, the probability of it coming up heads every time is...
very high.
0%.
100%.
very low.
24
This scatterplot shows...
a positive correlation.
no correlation.
lots of dots.
a negative correlation.
25
The mode is...
67
31
8
50
26
The mean is also called the...
accurate.
middle.
median.
average.
27
This is an example of a ________________ plot.
stem and leaf
blocks and whisker
box and whisker
box and whisper
28
In the box and whisker plot below, Q3 is...
15
all of the above
11
6
29
The interquartile range, also known as IQR, is found by using the equation...
Q2 - Q1
Q3 + Q1
Q3 - Q1
Q1 - Q3
30
What is the mode? 6, 2, 4, 5, 7, 8, 9, 2, 1, 0, 2, 7, 4, 2, 18.9
18.9
4
7
2
