Exam (elaborations)
STA 2023 Elementary Statistics Test 1. STA 2023 Final Exam questions and Answers
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- Saint Petersburg College
STA 2023 Elementary Statistics
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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Provide an appropriate response.
1) The scores on a recent statistics test are given in the frequency distribution below. Construct the 1)
corresponding relative frequency distribution. Round relative frequencies to the nearest hundredth
of a percent if necessary.
Scores Frequency
0-60 3
61-70 10
71-80 11
81-90 4
91-100 1
A) B)
Relative Relative
Scores Frequency Scores Frequency
0-60 15.5% 0-60 0.21%
61-70 22.1% 61-70 0.24%
71-80 31.3% 71-80 0.55%
81-90 16.2% 81-90 0.03%
91-100 14.9% 91-100 -0.03%
C) D)
Relative Relative
Scores Frequency Scores Frequency
0-60 12.5% 0-60 10.34%
61-70 20.1% 61-70 34.48%
71-80 37.3% 71-80 37.93%
81-90 15.2% 81-90 13.79%
91-100 14.9% 91-100 3.45%
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
Use the given data to construct a frequency distribution.
2) Lori asked 24 students how many hours they had spent doing homework during the 2)
previous week. The results are shown below.
10 10 10 8 10 10 14 13 10 8 12 10
10 12 10 10 12 10 10 13 10 12 13 8
Construct a frequency distribution. Use 4 classes, a class width of 2 hours, and a lower limit
of 8 for
Hours Frequency
1
This study source was downloaded by 100000850640191 from CourseHero.com on 10-10-2024 07:52:18 GMT -05:00
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, MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Construct the dotplot for the given data.
3) A store manager counts the number of customers who make a purchase in his store each day. The 3)
data are as follows.
10 11 8 14 7 10 10 11 8 7
5 10 15
A) B)
5 10 15 5 10 15
C) D)
5 10 15
5 10 15
Use the data to create a stemplot.
4) The weights of 22 members of the varsity football team are listed below. 4)
144 152 142 151 160 152 131 164 141 153 140
144 175 156 147 133 172 159 135 159 148 171
A) B)
13 1 3 5 13 1 3 5
14 1 2 2 3 6 9 9 14 0 1 2 4 4 7 8
15 0 1 2 4 4 7 8 15 1 2 2 3 6 9 9
16 0 4 16 0 4
17 1 2 5 17 1 2 5
2
This study source was downloaded by 100000850640191 from CourseHero.com on 10-10-2024 07:52:18 GMT -05:00
https://www.coursehero.com/file/80050496/Statistics-Test-1pdf/
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