Week 2 Assignment: Frequency Tables Q & A
1. A data set is summarized in the frequency table below. Using the table, determine the number
of values less than or equal to 5. Give your answer as a single number. For exam
...
Week 2 Assignment: Frequency Tables Q & A
1. A data set is summarized in the frequency table below. Using the table, determine the number
of 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
Provide your answer below: 16
2. Given the frequency table, how many times does the data value 3 show up in the data set?
Data Frequency
1 3
3 5
4 2
6 3
8 11
10 3
Answer : 5
3. A group of students were surveyed about the number of siblings they have. The frequencies
and relative frequencies of their responses are shown in the below.
Complete the cumulative relative frequency table.
Number of Siblings Relative Frequency
0 0.18
1 0.33
2 0.16
3 0.14
4 or more 0.19
Provide your answer below:.18, .51, .67, .81, 1.0
4. Given the relative frequency table below, which of the following is the corresponding
cumulative relative frequency table?
Value
Frequency
4
0.35
5
0.2
6
0.05
7
0.4
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Select the correct answer below:
Value Frequency
4 0.3
5 0.6
6 0.65
7 1
Value Frequency
4 0.35
5 0.6
6 0.65
7 1
Value Frequency
4 0.3
5 0.55
6 0.6
7 1
Value Frequency
4 0.35
5 0.55
6 0.6
7 1
5. A group of students were surveyed about the number of books they read last summer. Their
responses are summarized in the frequency table below.
How many students responded to the survey?
Number of Books Frequency
0−1 2
2−3 9
4−5 7
6−7 3
8−9 1
10 or more 2
Provide your answer below: 24
6.The ages of the students in an art class at the community center are listed below.
9,11,14,14,16,21,24,26,32,33,37,38,38,52,53,55
Complete the frequency table. 1,4,3,5,0,3
Yes that's right. Keep it up!
7. A data set is summarized in the frequency table below. Using the table, determine the number of
values less than or equal to 7 in the data set. Give your answer as a single number. For example if
you found the number of values was 16, you would enter 16.
Value Frequency
3 8
4 4
5 3
6 2
7 2
8 7
9 3
10 6
11 3
12 7
Provide your answer below: 19
8. 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
Provide your answer below: 20
9. As the manager of a store, you wish to determine the amount of money that people who visit this
store are willing to spend on impulse buys on products placed near the checkout register. You sample
twenty individuals and records their responses. Construct a frequency table for grouped data using
five classes.
8,18,15,10,29,4,15,2,4,9,16,14,13,8,25,25,27,1,15,24
Provide your answer below:
lower
Class
Limit
Upper Class
Limit Frequency
1 6 4
7 12 4
13 18 7
19 24 1
25 30 4
10.As a member of a marketing team, you have been tasked with determining the number of DVDs
that people have rented over the past six months. Their responses are summarized in the relative
frequency table below.
What is the cumulative relative frequency of customers who rent 27 or fewer DVDs?
Provide your answer below: .85
Number of
DVDs
Rented Relative Frequency Cumulative Frequency
10-15 0.30 0.30
16-21 0.35 0.65
22-27 0.20
28-33 0.15 1.00
11. Given the relative frequency table below, which of the following is the corresponding cumulative
relative frequency table?
"Value " " Frequency "
"4 " " 0.28 "
"5 " " 0.24 "
"6 " " 0.04 "
"7 " " 0.2 "
"8 " " 0.24 "
Select the correct answer below:
Value Frequency
4 0.28
5 0.6
6 0.68
7 0.84
8 1
Value Frequency
4 0.28
.85
5 0.6
6 0.64
7 0.84
8 1
Value Frequency
4 0.28
5 0.52
6 0.56
7 0.76
8 1
Value Frequency
4 0.28
5 0.56
6 0.6
7 0.8
8 1
12. Several executives were asked how many suits they own. The results are tabulated in the
following frequency table.
Which histogram accurately summarizes the data?
"Value " " Frequency "
"8 " " 6 "
"9 " " 5 "
"10 " " 3 "
"11 " " 5 "
"12 " " 3 "
"13 " " 2 "
Select the correct answer below:
13. Describe the shape of the given histogram.
Select the correct answer below:
uniform
unimodal and symmetric
unimodal and left-skewed
unimodal and right-skewed
Bimodal
14. Several people were asked to report the number of hours of sleep they average per night. The
results are shown in the histogram below. How many of those people average
between 4.5 and 6.5 hours of sleep per night?
Provide your answer below: 11
$$
15. Describe the shape of the given histogram.
Select the correct answer below:
uniform
unimodal and symmetric
unimodal and left-skewed
unimodal and right-skewed
bimodal
16. The histogram below represents the prices of digital SLR camera models at a store. Describe the
shape of the distribution.
Select the correct answer below:
uniform
unimodal and symmetric
unimodal and left-skewed
unimodal and right-skewed
Bimodal
17. Given the following histogram for a set of data, how many values in the data set are
between 5.5 and 8.5?
Provide your answer below: 17
18. Describe the shape of the given histogram.
Select the correct answer below:
uniform
unimodal and symmetric
unimodal and left-skewed
unimodal and right-skewed
Bimodal
19. A professor gave students a test, and the distribution of the scores of the students is shown in the
histogram below. What shape does the distribution have?
Select the correct answer below:
uniform
unimodal and symmetric
unimodal and left-skewed
unimodal and right-skewed
Bimodal
20. The author of a book wants to know what price his book is being sold for. He gets the price from
all the bookstores in a city and creates a histogram of the results. What is the shape of the
distribution?
Select the correct answer below:
uniform
unimodal and symmetric
unimodal and left-skewed
unimodal and right-skewed
bimodal
21. Given the following histogram for a set of data, how many values in the data set are
between 7.5 and 9.5?
Provide your answer below: 4
22. Gail is a car salesperson, who keeps track of her sales over time. The line graph below shows the
data for the number of cars she sells per week.
At what week were her sales 8? Do not include the unit in your answer.
Provide your answer below: 5
23. Porter is keeping track of the total number of books he has read over time. The line graph below
shows the data.
How many books did Porter read from month 2 to 5? Do not include the unit in your answer.
Provide your answer below: 11-4 = 7
24. The bar graph below shows the number of men and women in different classes.
How many total students are in the computer science class? Do not include the units in your answer.
Provide your answer below: 29
25. The bar graph below shows the number of men and women in different classes.
A side-by-side bar graph has a horizontal axis labeled Classes with groups Chemistry and Law and a vertical
axis labeled Students from 0 to 14 in increments of 2. There are two vertical bars over each horizontal axis
label, with the bar on the left representing men and the bar on the right representing women. The heights of
the bars are as follows, with the horizontal axis label listed first and the bar heights listed second from left to
right: Chemistry, 14 and 11; and Law, 12 and 13.
How many total students are in the Chemistry class? Do not include the units in your answer.
Provide your answer below: 25
26. An accounting manager is conducting research on how many times each accountant in the office
checks their work. The following table shows the number of times each accountant checks their work.
Check Work Frequency
None 6
Once 3
Twice 2
Three times 0
Four times 0
27. The accounting manager encourages accountants to check their work at least two times to ensure
there are no calculation errors. According to the data above, should the accounting manager be
concerned about errors made in the work conducted at the office?
Select the correct answer below:
No, the accounting manager should not be concerned because everyone in the office is checking their work at
least two times.
No, the accounting manager should not be concerned because everyone in the office is checking their work at
least three times.
Yes, the accounting manager should be concerned because no one in the office is checking their work.
Yes, the accounting manager should be concerned because a majority of employees are not checking their
work.
28. Jackie invited her friends over for a movie night. She asked each of her friends coming over about
their favorite movie snack. The following table shows the favorite movie snacks of her friends.
Movie Snack Frequency
Popcorn 14
Nachos 3
Candy 8
Pizza 6
Chips 3
Ice Cream 2
29. If Jackie can only get two movie snacks for a movie night with her friends, which two movie
snacks should she purchase?
Select the correct answer below:
According to the data, Jackie should purchase popcorn and candy.
According to the data, Jackie should purchase nachos and candy.
According to the data, Jackie should purchase pizza and chips.
According to the data, Jackie should purchase ice cream and chips.
30. Marc is keeping track of the total number of movies he has watched over time. The line graph
below shows the data where the number of movies corresponds to the number of movies that had
been watched at the beginning of the week shown on the horizontal axis.
How many movies did Marc watch between the beginning of week 1 and the beginning of week 5? Do not
include the unit in your answer.
Provide your answer below: 7
31. Josslyn is a car salesperson who keeps track of her sales over time. The line graph below shows
how many cars she sells per week.
What was the change in cars sold from week 2 to 6? Do not include the unit in your answer.
Provide your answer below: -8 (negative 8)
32. A set of data is summarized by the stem and leaf plot below.
Stem1234Leaf1356671123348900002367788811122334567777
Provide your answer below:
There are 8 values in the data set which are greater than or equal to 20 and less than or equal
to 29. There are 6 values in the data set which are greater than or equal to 10 and less than or equal
to 19. There are 14 values in the data set which are greater than or equal to 40 and less than or equal
to 49.
33. A set of data is summarized by the stem and leaf plot below.
Stem1234Leaf0000112234458999901236677888900000013455679999233
35567777889
Which of the following statements are true? Select all correct answers.
Select all that apply:
The value 18 appears 0 times in the data set.
The value 39 appears 4 times in the data set.
The value 21 appears 2 times in the data set.
The value 37 appears 0 times in the data set.
The value 42 appears 1 time in the data set.
The value 22 appears 1 time in the data set.
34. A set of data is summarized by the stem and leaf plot below.
Stem12Leaf11223344667789126899
Provide your answer below:
There are 6 values in the data set which are greater than or equal to 20 and less than or equal
to 29. There are 14 values in the data set which are greater than or equal to 10 and less than or equal
to 19.
35.
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