Question
MATH399 Applied Managerial Statistics
Week 2 Assignment Frequency Tables
QuestionA group of students were surveyed about the number of
pets they have. Their responses are summarized in the relative
frequency table below.
What is the cumulative relative frequency of students with 2
or fewer pets?
Number of
Pets
Relative Frequency
0
0.30
1
0.35
2
0.15
3 or
more
0.20
QuestionA small startup company wishes to know how many
hours, per week, that its employees spend commuting to and from
work. Their responses are summarized in the relative frequency
table below.
What is the cumulative relative frequency of customers who
commute 12 hours or fewer?
Hours
Commuting
Relative Frequency
Cumulative Relative Frequency
1-6
0.20
7-12
0.25
13-18
0.35
19-24
0.20
QuestionGiven the frequency table below, what is the relative
frequency of the data value 7?
Value Frequency
4
7
5
6
6
4
7
3
QuestionA group of students were surveyed about the number of
pets they have. Their responses are summarized in the relative
frequency table below.
What is the missing relative frequency?
Number of
Pets
Relative Frequency
0
0.30
1
?
2
0.15
3 or
more
0.20
QuestionA data set is summarized in the frequency table
below. Using the table, determine the number of values less than or
equal to 6. Give your answer as a single number. For example if you
found the number of values was 14, you would enter 14.
Value Frequency
1
5
2
3
3
2
4
3
5
4
6
3
7
8
8
3
9
7
10
8
11
3
QuestionA data set is summarized in the frequency table
below. Using the table, determine the number of values greater than
or equal to 8. Give your answer as a single number. For example if
you found the number of values was 33, you would enter 33.
Value Frequency
1
1
2
2
3
1
4
2
5
2
6
3
7
4
8
4
9
6
10
8
11
4
12
5
QuestionA data set is summarized in the frequency table
below. Using the table, determine the total number of values in the
data set that are less than or equal to 7.
Value Frequency
3
8
4
4
5
3
6
2
7
2
8
7
9
3
10
6
11
3
12
7
QuestionGiven the frequency table below, what is the relative
frequency of the data value 8?
Value Frequency
4
2
5
7
6
9
7
6
8
6
QuestionA group of students were surveyed about the number of
books they read last summer. Their responses are summarized in the
relative frequency table below.
What is the cumulative relative frequency of students that
read 5 or fewer books?
Number of
Books
Relative Frequency
0−1 0.08
2−3 0.36
4−5 0.32
6−7 0.12
8−9 0.04
10 or
more 0.08
QuestionThe relative frequencies for a set of data are shown
in the table below.
Value Relative Frequency
1
0.15
2
0.10
3
0.45
4
0.30
If there are a total of 20 data values, with what frequency
does the data value 3 occur?
QuestionThe cumulative relative frequency table for a set of
data is shown below.
What is the missing cumulative relative frequency?
Data
Value Relative
Frequency
Cumulative Relative Frequency
1
0.35 0.35
2
0.25 ?
3
0.15 0.75
4
0.25 1.00
QuestionA data set is summarized in the frequency table
below. The data set contains a total of 40 data values. What is the
missing frequency?
Value Frequency
1
4
2
6
3
7
4
3
5
?
6
5
7
4
8
5
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