The frequency distribution below was constructed from data collected on the quarts of soft drinks consumed...
The frequency distribution below was constructed from data collected on the quarts of soft drinks consumed per week by 20 students.
|
Quarts of Soft Drink |
Frequency |
||
|
0 - 3 |
4 |
||
|
4 - 7 |
5 |
||
|
8 - 11 |
6 |
||
|
12 - 15 |
3 |
||
|
16 - 19 |
2 |
|
a. |
Construct a relative frequency distribution. |
|
b. |
Construct a cumulative frequency distribution. |
|
c. |
Construct a cumulative relative frequency distribution. |
The following data show the yearly salaries of football coaches at some state-supported universities.
|
University |
Salary ($1,000) |
|
A |
53 |
|
B |
44 |
|
C |
68 |
|
D |
47 |
|
E |
62 |
|
F |
59 |
|
G |
53 |
|
H |
94 |
For the above sample, determine the following measures.
|
a. |
The mean yearly salary |
|
b. |
The standard deviation |
|
c. |
The mode |
|
d. |
The median |
|
e. |
The 70th percentile |
3. The records of a department store show that 20% of its customers who make a purchase return the merchandise in order to exchange it. In the next six purchases,
|
a. |
what is the probability that three customers will return the merchandise for exchange? |
|
b. |
what is the probability that four customers will return the merchandise for exchange? |
|
c. |
what is the probability that none of the customers will return the merchandise for exchange? |
Homework Answers
Frequency distribution :
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The frequency distribution below was constructed from data
collected on the quarts of soft drinks consumed...
S O 1-The frequency distribution below was constructed from data collected from a group of 25...
S O 1-The frequency distribution below was constructed from data collected from a group of 25 students. (15 points) SI Height (inches) Frequency Em 58-63 64-69 70-75 76-81 82-87 82-874 88-933 94-99 2 a. Construct a relative frequency distribution. b. Construct a cumulative frequency distribution c. Construct a cumulative relative frequency distribution. (just create a table for all the frequency distributions)
Lauren drinks a variety of soft drinks. Over the past month, she has had 18 diet...
Lauren drinks a variety of soft drinks. Over the past month, she has had 18 diet colas, 4 cans of lemonade, and 5 cans of root beer. a. Given this history, what is the probability that her next drink will be a diet cola? Lemonade? Root beer? b. What definition of probability should be used to answer this question? a. The probability that her next drink will be a diet cola is (Round to two decimal places as needed.) The...
Consider the discrete data in the table below. a) Construct a frequency distribution. b) Construct a...
Consider the discrete data in the table below. a) Construct a frequency distribution. b) Construct a relative frequency distribution. c) Construct a cumulative relative frequency distribution. 11 44 44 11 44 11 33 22 55 11 22 22 44 22 55 22 11 22 33 44 11 33 22 44 a) Construct a frequency distribution. Data Value Frequency 1 nothing 2 nothing 3 nothing 4 nothing 5 nothing
3 The manager at a water park constructed the following frequency distribution to summarize attendance In...
3 The manager at a water park constructed the following frequency distribution to summarize attendance In July and August. 1,869 up to 1,258 1,258 up to 1,588 1,569 up to 1,758 1,758 up to 2,868 2,869 up to 2,258 2,258 up to 2,588 polnts 17 eBook a. Construct the corresponding relative frequency, cumulative frequency, and cumulative relative frequency distributions. (Round "Relative Frequency" and "Cumulative Relative Frequency" answers to 3 decimal places.) Relative Cumulative Cumulative Relative Attendance 1,000 up to 1,250...
Use the given categorical data to construct the relative frequency distribution. Natural births randomly selected from...
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16) The table below shows the soft drinks groups. preferences of people in three age cola...
16) The table below shows the soft drinks groups. preferences of people in three age cola root beer lemon-lime bet ween 21 and 40 35 20 over 40 years of age 20 30 30 35 If one of the 255 subjects is randomly selected, find the probability that age given that they do not drink root beer the person is over 40 years of A) 0.353 B) 0.306 C) 0.4 D) None of the above is correct 17) You are...
please type it do not handwritten Data were collected on the prices of parts at each...
please type it do not handwritten
Data were collected on the prices of parts at each shelf in auto parts showroom in Melbourne. The prices of parts at each shelf, are given below. 50 60 550 100 160 60 30 230 120 140 100 20 53 130 190 120 300 10 100 120 140 140430 230 240 250 120 170 200 250 400 139 180 200 260 320 630 200 140 530 450 170150190 300 250 140 270 280 290...
(9 marks) 6) The data below shows the mass of 40 students in class. The measurement...
(9 marks) 6) The data below shows the mass of 40 students in class. The measurement is the nearest kg. 55 70 57 73 55 64 60 48 59 72 58 54 69 51 63 78 75 64 65 57 71 78 76 62 66 62 61 53 67 49 76 63 63 76 52 76 71 61 56 71 A) Construct a frequency distribution table with 7 classes for the data given above? B) Draw the histogram for the...
2. The following data were collected by counting the number of operating rooms in use at a hospital over a 20-day p...
2. The following data were collected by counting the number of operating rooms in use at a hospital over a 20-day period: On three of the days only one operating room was used, on five of the days two were used, on eight of the days three were used, and on four days all four of the hospital's operating rooms were used. a. Use the relative frequency approach to construct an empirical discrete probability distribution for the number of operating...
1. For each set below, using Excel, construct a. a frequency distribution, ...
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S O 1-The frequency distribution below was constructed from data collected from a group of 25 students. (15 points) SI Height (inches) Frequency Em 58-63 64-69 70-75 76-81 82-87 82-874 88-933 94-99 2 a. Construct a relative frequency distribution. b. Construct a cumulative frequency distribution c. Construct a cumulative relative frequency distribution. (just create a table for all the frequency distributions)
Lauren drinks a variety of soft drinks. Over the past month, she has had 18 diet colas, 4 cans of lemonade, and 5 cans of root beer. a. Given this history, what is the probability that her next drink will be a diet cola? Lemonade? Root beer? b. What definition of probability should be used to answer this question? a. The probability that her next drink will be a diet cola is (Round to two decimal places as needed.) The...
3 The manager at a water park constructed the following frequency distribution to summarize attendance In July and August. 1,869 up to 1,258 1,258 up to 1,588 1,569 up to 1,758 1,758 up to 2,868 2,869 up to 2,258 2,258 up to 2,588 polnts 17 eBook a. Construct the corresponding relative frequency, cumulative frequency, and cumulative relative frequency distributions. (Round "Relative Frequency" and "Cumulative Relative Frequency" answers to 3 decimal places.) Relative Cumulative Cumulative Relative Attendance 1,000 up to 1,250...
Use the given categorical data to construct the relative frequency distribution. Natural births randomly selected from four hospitals in a highly populated region occurred on the days of the week (in the order of Monday through Sunday) with the frequencies 53, 64, 68, 55, 59, 46, 55. Does it appear that such births occur on the days of the week with equal frequency? Construct the relative frequency distribution. Relative Frequen 13.25 % 16% 17 % 13.75 % 14.75 % 11.5...
16) The table below shows the soft drinks groups. preferences of people in three age cola root beer lemon-lime bet ween 21 and 40 35 20 over 40 years of age 20 30 30 35 If one of the 255 subjects is randomly selected, find the probability that age given that they do not drink root beer the person is over 40 years of A) 0.353 B) 0.306 C) 0.4 D) None of the above is correct 17) You are...
please type it do not handwritten
Data were collected on the prices of parts at each shelf in auto parts showroom in Melbourne. The prices of parts at each shelf, are given below. 50 60 550 100 160 60 30 230 120 140 100 20 53 130 190 120 300 10 100 120 140 140430 230 240 250 120 170 200 250 400 139 180 200 260 320 630 200 140 530 450 170150190 300 250 140 270 280 290...
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2. The following data were collected by counting the number of operating rooms in use at a hospital over a 20-day period: On three of the days only one operating room was used, on five of the days two were used, on eight of the days three were used, and on four days all four of the hospital's operating rooms were used. a. Use the relative frequency approach to construct an empirical discrete probability distribution for the number of operating...
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