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WorksheetsTopic 11 Algebra Statistics Review
Total questions: 56
Worksheet time: 3hrs 22mins
Name
Class
Date
1.
Which interval has 400 employees?
a)
33-43
b)
0-10
c)
77-87
d)
66-76
2.
How many employees have a salary less than $22,000?
a)
50
b)
350
c)
0
d)
10
3.
Which interval has the greatest number of employees?
a)
11-21
b)
33-43
c)
77-87
d)
44-54
4.
Base your response on the following data:
3, 5, 2, 5, 4, 7, 1, 0, 6, 4, 8, 5, 3, 2, 4, 5, 9.
How many times were 6-8 goals scored?
3, 5, 2, 5, 4, 7, 1, 0, 6, 4, 8, 5, 3, 2, 4, 5, 9.
How many times were 6-8 goals scored?
a)
1
b)
2
c)
3
d)
4
5.
What is the shape of this distribution?
a)
Skewed right
b)
Skewed left
c)
Approximately Symmetric
6.
23. How many of the students had an ACT composite score of exactly 25?
a)
Cannot be determined
b)
6
c)
7
d)
9
7.
How many students were greater than 55 inches tall but less than 70 inches tall?
a)
13
b)
15
c)
16
d)
17
8.
The histogram shows the birth weights of 100 new born babies. How many babies weighed 8 pounds or more?
a)
22
b)
23
c)
30
d)
45
9.
How would you describe this distribution?
a)
Left skewed
b)
Uniform
c)
Right Skewed
d)
Symmetrical
10.
Describe the histogram:
a)
Left Skewed
b)
Symmetrical
c)
Right Skewed
d)
Uniform
11.
Given this skewed right distribution, what do you know about the measures of center?
a)
Mean < Median
b)
Median = Mean
c)
Mean > Median
d)
Not enough information
12.
What is the distribution shape?
a)
symmetrical
b)
skewed right
c)
skewed left
13.
Where does the median fall?
a)
55-59
b)
60-64
c)
65-69
d)
70-74
e)
75-79
14.
What is the minimum value?
a)
64
b)
58
c)
66
d)
60
15.
What is the maximum value?
a)
58
b)
66
c)
64
d)
60
16.
What data value is the upper quartile (Q3)?
a)
64
b)
62
c)
66
d)
58
17.
Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is Roger's median score?
a)
127
b)
155
c)
156
d)
193
18.
What is the interquartile range (IQR)?
a)
4
b)
64
c)
60
d)
8
19.
Which box and whisker plot has the highest median?
a)
Top plot
b)
Bottom plot
20.
Which of the following lists all parts of the five number summary?
a)
Mean, Median, Mode, Range, and Total
b)
Minimum, Quartile 1, Median, Quartile 3, and Maximum
c)
Smallest, Q1, Q2, Q3, and Q4
d)
Minimum, Maximum, Range, Mean, and Median
21.
What is the range of the set of data?
a)
70
b)
65
c)
80
d)
55
22.
Which restaurant has a higher median wait time?
a)
Lucy's Steakhouse
b)
Gary's Grill
c)
They are the same
23.
What percent of students have a height between 58 inches and 60 inches?
a)
25%
b)
50%
c)
75%
d)
100%
24.
What do you do if there are two numbers in "the middle" when you are finding the median?
a)
Pick your favorite number
b)
Add the two numbers in the middle & then divide by two.
c)
They are both the median
d)
None of the above
25.
If you score 76, 85, 97, and 83 on your math tests, what would your median score be?
a)
84
b)
90
c)
85
d)
88
26.
A data set can have more than one mode
a)
True
b)
False
27.
What is the IQR of the Cruisers?
a)
4
b)
6
28.
What is the range of the data?
a)
4
b)
8
c)
6
d)
2
29.
Which club has the smaller spread?
a)
Cruisers
b)
Car Hops
30.
What is the range in gas mileage for SUVs?
a)
2
b)
3
c)
4
d)
6
31.
Is the Cars dot plot skewed left or right?
a)
left
b)
right
32.
What is the difference in the IQRs?
a)
1
b)
2
c)
3
d)
4
33.
How many students received a score of 94%?
a)
94
b)
4
c)
1
d)
2
34.
What is the mode?
a)
88%
b)
89%
c)
97%
d)
91%
35.
What shape is the data shown in the dot plot?
a)
symmetrical
b)
skewed left
c)
skewed right
36.
How many students spent 7 hours doing homework that week?
a)
1
b)
3
c)
5
d)
6
37.
Find the mean of these numbers:
5,11,2,12,4,2
5,11,2,12,4,2
a)
4.1
b)
6
c)
4.5
d)
4
38.
Find the median of these numbers:
4,2,7,4,3
4,2,7,4,3
a)
2
b)
5
c)
7
d)
4
39.
Range measures what?
a)
Center
b)
Cuteness
c)
Variability/Spread
d)
Weight
40.
All of the below sets have the same mean.
Set 1-Standard Deviation=3.1
Set 2-Standard Deviation=4.9
Set 3-Standard Deviation=1.7
Set 4-Standard Deviation=3.2
Which set of data probably has the points closest to the mean?
Set 1-Standard Deviation=3.1
Set 2-Standard Deviation=4.9
Set 3-Standard Deviation=1.7
Set 4-Standard Deviation=3.2
Which set of data probably has the points closest to the mean?
a)
1
b)
2
c)
3
d)
4
41.
The mean life of a tire is 30,000 km. The standard deviation is 2000 km.
Then, 68% of all tires will have a life between ___________ km and __________ km.
Then, 68% of all tires will have a life between ___________ km and __________ km.
a)
28,000 km and 32,000 km.
b)
24,000 km and 34,000 km.
c)
26,000 km and 34,000 km.
d)
27,000 km and 31,000 km.
42.
This data is normally distributed. What percent of the data is in the shaded region?
a)
68%
b)
95%
c)
99.7%
d)
50%
43.
This data is normally distributed. What percent of the data is in the shaded region?
a)
68%
b)
95%
c)
99.7%
d)
50%
44.
This data is normally distributed. What percent of the data is in the shaded region?
a)
68%
b)
95%
c)
99.7%
d)
50%
45.
a)
Skewed Left
b)
Skewed Right
c)
Uniform
d)
Symmetric
46.
a)
Skewed Right
b)
Skewed Left
c)
Uniform
d)
Symmetric
47.
Four data sets are shown below.
Set 1: {10, 19, 38, 50, 51}
Set 2: {5, 21, 26, 39, 51}
Set 3: {9, 38, 50, 50, 51}
Set 4: {5, 28, 28, 28, 51}
Which data set has the largest standard deviation?
Set 1: {10, 19, 38, 50, 51}
Set 2: {5, 21, 26, 39, 51}
Set 3: {9, 38, 50, 50, 51}
Set 4: {5, 28, 28, 28, 51}
Which data set has the largest standard deviation?
a)
Set 1
b)
Set 2
c)
Set 3
d)
Set 4
48.
The standard deviation for 4 data sets are shown. Which has all of the data points the same as the mean?
A 4.3
B 2.7
C 0
D 6
A 4.3
B 2.7
C 0
D 6
a)
A
b)
B
c)
C
d)
D
49.
The shelf life of a particular dairy product is normally distributed with a mean of 12 days and a standard deviation of 3 days.
About what percent of the products last between 12 and 15 days?
About what percent of the products last between 12 and 15 days?
a)
68%
b)
34%
c)
16%
d)
2.5%
50.
This data is normally distributed. What percent of the data is in the shaded region?
a)
5%
b)
95%
c)
2.5%
d)
50%
51.
The normal curve is symmetrical about the mean.
a)
True
b)
False
52.
Use the box plot. It shows the number of days on the market for single family homes in a city. What percent of the homes were on the market less than 90 days?
a)
0%
b)
25%
c)
50%
d)
75%
53.
Which display best shows the exact median value and the spread of data?
a)
bar graph
b)
histogram
c)
box plot
d)
line plot
54.
In which display can you most easily find the mode of numerical data?
a)
histogram
b)
box plot
c)
line graph
d)
line plot/dot plot
55.
What percentage of males drive sports cars?
a)
35%
b)
16.25%
c)
65%
d)
25%
56.
What percentage of SUV's are driven by women?
a)
56.25%
b)
75%
c)
83.25%
d)
86.5%
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