Homework Answers
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Answer
a) n is the total of all the observations .
n = 4+7+9+12+8
n = 40 cars
Class width is the difference betwee higher and lower limit
Class width = 10-0
= 10
| Caes sold per month | Mid point |
| 0<10 | 5 |
| 10<20 | 15 |
| 20<30 | 25 |
| 30<40 | 35 |
| 40<50 | 45 |
Mid point =( Lower limit+ higher limit ) / 2
b)
Percentage Distribution
Frequqency for a X value is calcated as a percentage of total
frequency (n)
| Caes sold per month | Mid point | Percentage |
| 0<10 | 4 | 10.00% |
| 10<20 | 7 | 17.50% |
| 20<30 | 9 | 22.50% |
| 30<40 | 12 | 30.00% |
| 40<50 | 8 | 20.00% |
| 40 | 100% |
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What is the value of n? The class width? Calculate the midpoint of each class b)...
or n? The Range? The class width? Calculate the midpoint of each class 3. The daily...
or n? The Range? The class width? Calculate the midpoint of each class 3. The daily sales for Acme Widget are recorded as follows: 91 105 178 98 121 94 240 173 a) Construct a frequency distribution where the first class has the limits 0 to <100. b) What is the value of n? The Range? The class width? Calculate the midpoint of each class Erocks has kent records of the
a) Construct a frequency distribution where the first class has the limits 0 to <100 b)...
a) Construct a frequency distribution where the first class has the limits 0 to <100 b) What is the value of n? The Range? The class width? Calculate the midpoint 4. Fancy Frocks has kept records of the number of dresses it has sold per day DRESSES SOLD 0 <<6 6 <12 12 18 FREQUENCY 2 5 4. a) What is the value of n? The class width? Calculate the midpoint of each class. b) Construct a percentage distribution 5...
each Class 3. The daily sales for Acme Widget are recorded as follows: 91 105 178...
each Class 3. The daily sales for Acme Widget are recorded as follows: 91 105 178 98 121 94 240 173 a) Construct a frequency distribution where the first class has the limits 0 to <100. b) What is the value of n? The Range? The class width? Calculate the midpoint of each class
1.Construct a frequency distribution for the hybrid cars with a class width of 2. 2.Explain why...
1.Construct a frequency distribution for the hybrid cars with a
class width of 2.
2.Explain why a class width of 2 is too narrow for these
data.
3.Construct a relative frequency distribution for the hybrid
cars with a class width of 3, where the first class has a lower
limit of 20.
4.Construct a histogram based on this relative frequency
distribution. Is the histogram unimodal or bimodal? Describe the
skewness, if any, in these data.
5.Construct a frequency distribution for...
1.Construct a frequency distribution for the hybrid cars with a class width of 2. 2.Explain why...
1.Construct a frequency distribution for the hybrid cars with a
class width of 2.
2.Explain why a class width of 2 is too narrow for these
data.
3.Construct a relative frequency distribution for the hybrid
cars with a class width of 3, where the first class has a lower
limit of 20.
4.Construct a histogram based on this relative frequency
distribution. Is the histogram unimodal or bimodal? Describe the
skewness, if any, in these data.
Mileage Ratings for 2016 Small...
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...
Ne the class interval (CI), the width of classes of it may be the difference between any wo succe...
ne the class interval (CI), the width of classes of it may be the difference between any wo succeeding class midpoints (CM). The CM is the average between the limits of a class. For on, CI must be a whole number. It can be obtained by the equation (3) Determi each computati CI-R/K-101.5/10-10.15 (4) Take the frequency distribution for each set of data. On the basis of this method, the frequency distribution is as follows: Table 8.1. Frequency Distribution Frequency...
Elementary Statistics Study Guide 3 Due Date: Name: Angelica Miranda Class: stats-06270 Score: No Work -...
Elementary Statistics Study Guide 3 Due Date: Name: Angelica Miranda Class: stats-06270 Score: No Work - No Points Use Pencil Only Be Neat & Organized 1. The incomplete frequency distribution table given below represents the score of an exam in a math class. (a) (5 points) Complete the frequency distribution table below: Glass Dil Cumulative Percentage Class Limits Boundaries Midpoint Frequency Frequency Frequency Width:13 n = 40 10 55 - 67 545-67.5 61 68 - 80 075-805 74 81 –...
(3) Determine the class interval (Cl), the width of classes of it may be the difference two succe...
(3) Determine the class interval (Cl), the width of classes of it may be the difference two succeeding class midpoints (CM). The CM is the average between the limits of a class. For each computation, CI must be a whole number. It can be obtained by the equation CI-R/K-101.5/10-10.15 (4) Take the frequency distribution for each set of data On the basis of this method, the frequency distribution is as follows: Table 8.1. Frequency Distribution Class Total P PFF 41...
First, the table has approximately 10 (options, class intervals, or interval widths) The width of each...
First, the table has approximately 10 (options, class
intervals, or interval widths)
The width of each interval is a relatively (wide, simple, or
complex) number.
The bottom score in each class interval is a (reflection,
multiple, or factor) of the width.
In which interval would a score of 29.6 fall? (20-29, there is
no interval for this number, or 30-39)
In which interval would a score of 19.4 fall? (There is no
interval for this number, 10-19, or 20-29).
Please...
or n? The Range? The class width? Calculate the midpoint of each class 3. The daily sales for Acme Widget are recorded as follows: 91 105 178 98 121 94 240 173 a) Construct a frequency distribution where the first class has the limits 0 to <100. b) What is the value of n? The Range? The class width? Calculate the midpoint of each class Erocks has kent records of the
a) Construct a frequency distribution where the first class has the limits 0 to <100 b) What is the value of n? The Range? The class width? Calculate the midpoint 4. Fancy Frocks has kept records of the number of dresses it has sold per day DRESSES SOLD 0 <<6 6 <12 12 18 FREQUENCY 2 5 4. a) What is the value of n? The class width? Calculate the midpoint of each class. b) Construct a percentage distribution 5...
each Class 3. The daily sales for Acme Widget are recorded as follows: 91 105 178 98 121 94 240 173 a) Construct a frequency distribution where the first class has the limits 0 to <100. b) What is the value of n? The Range? The class width? Calculate the midpoint of each class
1.Construct a frequency distribution for the hybrid cars with a
class width of 2.
2.Explain why a class width of 2 is too narrow for these
data.
3.Construct a relative frequency distribution for the hybrid
cars with a class width of 3, where the first class has a lower
limit of 20.
4.Construct a histogram based on this relative frequency
distribution. Is the histogram unimodal or bimodal? Describe the
skewness, if any, in these data.
5.Construct a frequency distribution for...
1.Construct a frequency distribution for the hybrid cars with a
class width of 2.
2.Explain why a class width of 2 is too narrow for these
data.
3.Construct a relative frequency distribution for the hybrid
cars with a class width of 3, where the first class has a lower
limit of 20.
4.Construct a histogram based on this relative frequency
distribution. Is the histogram unimodal or bimodal? Describe the
skewness, if any, in these data.
Mileage Ratings for 2016 Small...
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...
ne the class interval (CI), the width of classes of it may be the difference between any wo succeeding class midpoints (CM). The CM is the average between the limits of a class. For on, CI must be a whole number. It can be obtained by the equation (3) Determi each computati CI-R/K-101.5/10-10.15 (4) Take the frequency distribution for each set of data. On the basis of this method, the frequency distribution is as follows: Table 8.1. Frequency Distribution Frequency...
Elementary Statistics Study Guide 3 Due Date: Name: Angelica Miranda Class: stats-06270 Score: No Work - No Points Use Pencil Only Be Neat & Organized 1. The incomplete frequency distribution table given below represents the score of an exam in a math class. (a) (5 points) Complete the frequency distribution table below: Glass Dil Cumulative Percentage Class Limits Boundaries Midpoint Frequency Frequency Frequency Width:13 n = 40 10 55 - 67 545-67.5 61 68 - 80 075-805 74 81 –...
(3) Determine the class interval (Cl), the width of classes of it may be the difference two succeeding class midpoints (CM). The CM is the average between the limits of a class. For each computation, CI must be a whole number. It can be obtained by the equation CI-R/K-101.5/10-10.15 (4) Take the frequency distribution for each set of data On the basis of this method, the frequency distribution is as follows: Table 8.1. Frequency Distribution Class Total P PFF 41...
First, the table has approximately 10 (options, class
intervals, or interval widths)
The width of each interval is a relatively (wide, simple, or
complex) number.
The bottom score in each class interval is a (reflection,
multiple, or factor) of the width.
In which interval would a score of 29.6 fall? (20-29, there is
no interval for this number, or 30-39)
In which interval would a score of 19.4 fall? (There is no
interval for this number, 10-19, or 20-29).
Please...
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