Math Exam Worksheet With Answer Key - Math 103/gracey Page 3
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22Provide an appropriate response.
4) The frequency distribution for the weekly incomes of students with part-time jobs is given below.
4)
Construct the corresponding relative frequency distribution. Round relative frequencies to the
nearest hundredth of a percent if necessary.
Income ($) Frequency
200-300
68
301-400
69
401-500
79
501-600
87
More than 600
11
A)
B)
Relative
Relative
Income ($)
Frequency
Income ($)
Frequency
201-300
15.5%
200-300
24.76%
301-400
22.1%
301-400
27.97%
401-500
31.3%
401-500
3.53%
501-600
16.2%
501-600
21.38%
More than600
14.9%
More than 600
24.84%
C)
D)
Relative
Relative
Income ($)
Frequency
Income ($)
Frequency
200-300
12.5%
200-300
21.66%
301-400
20.1%
301-400
21.97%
401-500
37.3%
401-500
25.16%
501-600
15.2%
501-600
27.71%
More than 600
14.9%
More than 600
3.50%
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.
5) A medical research team studied the ages of patients who had strokes caused by stress. The
5)
ages of 34 patients who suffered stress strokes were as follows.
29 30 36 41 45 50 57 61 28 50 36 58
60 38 36 47 40 32 58 46 61 40 55 32
61 56 45 46 62 36 38 40 50 27
Construct a frequency distribution for these ages. Use 8 classes beginning with a lower class
limit of 25.
Age
Frequency
3
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