MATH399N: Week 2 Assignment: Frequency Tables

Question

A group of students were surveyed about the number of times they went to a movie theater last year. Their responses are summarized in the relative frequency table below.

What is the cumulative relative frequency of students that went to 7 or fewer movies?

Number of Movies	Relative Frequency
0−1	0.08
2−3	0.20
4−5	0.30
6−7	0.24
8−9	0.10
10 or more	0.08

Question

A 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 employees who commute 12 hours or fewer?

Question

A 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	\Large\square
2	0.15
3 or more	0.20

Question

Given the frequency table below, what is the relative frequency of the data value 7?

Value	Frequency
4	7
5	6
6	4
7	3

Question

A 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

Question

A 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

Question

Given 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

Question

The 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?

Question

The 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

Question

A 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

Question

A data set is summarized in the frequency table below. Using the table, determine the number of data values less than or equal to 5. Give your answer as a single number. For example if you found the number of values was 19, you would enter 19.

Value	Frequency
3	9
4	4
5	3
6	7
7	6
8	3
9	3
10	5
11	4

Question

A 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

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