Find the sample mean. Find the median.

Question

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Answer 1

Question

Chapter 1.7, Problem 13E

(a)

To determine

Find the sample mean.

Find the median.

(a)

Expert Solution

Answer to Problem 13E

The sample mean is 124.3.

The median is 120.

Explanation of Solution

Calculation:

Step-by-step procedure to obtain the mean and median using MINITAB software:

Choose Stat > Basic Statistics > Display Descriptive Statistics.
In Variables enter the column hour.
Choose option statistics, and select Mean, Median.
Click OK.

Output obtained using MINITAB software is given below:

Probability and Statistics for Engineers and Scientists, Chapter 1.7, Problem 13E , additional homework tip 1

From the MINITAB output, the sample mean is 124.3, and the median is 120.

(b)

To determine

Identify the feature in this data set that is responsible for the substantial difference between the two.

(b)

Expert Solution

Explanation of Solution

Step-by-step procedure to obtain the boxplot using MINITAB software:

Choose Graph > Boxplot.
Under One Y, choose Simple. Click OK.
In Graph variables, enter the data of hour.
Click OK.

Output obtained using MINITAB software is given below:

Probability and Statistics for Engineers and Scientists, Chapter 1.7, Problem 13E , additional homework tip 2

From the boxplot, it is clear that the observation 175 is an extreme value when compared to the remaining observations.

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Answer 2

Question

Chapter 1.7, Problem 13E

(a)

To determine

Find the sample mean.

Find the median.

(a)

Expert Solution

Answer to Problem 13E

The sample mean is 124.3.

The median is 120.

Explanation of Solution

Calculation:

Step-by-step procedure to obtain the mean and median using MINITAB software:

Choose Stat > Basic Statistics > Display Descriptive Statistics.
In Variables enter the column hour.
Choose option statistics, and select Mean, Median.
Click OK.

Output obtained using MINITAB software is given below:

Probability and Statistics for Engineers and Scientists, Chapter 1.7, Problem 13E , additional homework tip 1

From the MINITAB output, the sample mean is 124.3, and the median is 120.

(b)

To determine

Identify the feature in this data set that is responsible for the substantial difference between the two.

(b)

Expert Solution

Explanation of Solution

Step-by-step procedure to obtain the boxplot using MINITAB software:

Choose Graph > Boxplot.
Under One Y, choose Simple. Click OK.
In Graph variables, enter the data of hour.
Click OK.

Output obtained using MINITAB software is given below:

Probability and Statistics for Engineers and Scientists, Chapter 1.7, Problem 13E , additional homework tip 2

From the boxplot, it is clear that the observation 175 is an extreme value when compared to the remaining observations.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 3

Question

Chapter 1.7, Problem 13E

(a)

To determine

Find the sample mean.

Find the median.

(a)

Expert Solution

Answer to Problem 13E

The sample mean is 124.3.

The median is 120.

Explanation of Solution

Calculation:

Step-by-step procedure to obtain the mean and median using MINITAB software:

Choose Stat > Basic Statistics > Display Descriptive Statistics.
In Variables enter the column hour.
Choose option statistics, and select Mean, Median.
Click OK.

Output obtained using MINITAB software is given below:

Probability and Statistics for Engineers and Scientists, Chapter 1.7, Problem 13E , additional homework tip 1

From the MINITAB output, the sample mean is 124.3, and the median is 120.

(b)

To determine

Identify the feature in this data set that is responsible for the substantial difference between the two.

(b)

Expert Solution

Explanation of Solution

Step-by-step procedure to obtain the boxplot using MINITAB software:

Choose Graph > Boxplot.
Under One Y, choose Simple. Click OK.
In Graph variables, enter the data of hour.
Click OK.

Output obtained using MINITAB software is given below:

Probability and Statistics for Engineers and Scientists, Chapter 1.7, Problem 13E , additional homework tip 2

From the boxplot, it is clear that the observation 175 is an extreme value when compared to the remaining observations.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Question

Chapter 1.7, Problem 13E

(a)

To determine

Find the sample mean.

Find the median.

(a)

Expert Solution

Answer to Problem 13E

The sample mean is 124.3.

The median is 120.

Explanation of Solution

Calculation:

Step-by-step procedure to obtain the mean and median using MINITAB software:

Choose Stat > Basic Statistics > Display Descriptive Statistics.
In Variables enter the column hour.
Choose option statistics, and select Mean, Median.
Click OK.

Output obtained using MINITAB software is given below:

Probability and Statistics for Engineers and Scientists, Chapter 1.7, Problem 13E , additional homework tip 1

From the MINITAB output, the sample mean is 124.3, and the median is 120.

(b)

To determine

Identify the feature in this data set that is responsible for the substantial difference between the two.

(b)

Expert Solution

Explanation of Solution

Step-by-step procedure to obtain the boxplot using MINITAB software:

Choose Graph > Boxplot.
Under One Y, choose Simple. Click OK.
In Graph variables, enter the data of hour.
Click OK.

Output obtained using MINITAB software is given below:

Probability and Statistics for Engineers and Scientists, Chapter 1.7, Problem 13E , additional homework tip 2

From the boxplot, it is clear that the observation 175 is an extreme value when compared to the remaining observations.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 1.7, Problem 13E

(a)

To determine

Find the sample mean.

Find the median.

(a)

Expert Solution

Answer to Problem 13E

The sample mean is 124.3.

The median is 120.

Explanation of Solution

Calculation:

Step-by-step procedure to obtain the mean and median using MINITAB software:

Choose Stat > Basic Statistics > Display Descriptive Statistics.
In Variables enter the column hour.
Choose option statistics, and select Mean, Median.
Click OK.

Output obtained using MINITAB software is given below:

Probability and Statistics for Engineers and Scientists, Chapter 1.7, Problem 13E , additional homework tip 1

From the MINITAB output, the sample mean is 124.3, and the median is 120.

(b)

To determine

Identify the feature in this data set that is responsible for the substantial difference between the two.

(b)

Expert Solution

Explanation of Solution

Step-by-step procedure to obtain the boxplot using MINITAB software:

Choose Graph > Boxplot.
Under One Y, choose Simple. Click OK.
In Graph variables, enter the data of hour.
Click OK.

Output obtained using MINITAB software is given below:

Probability and Statistics for Engineers and Scientists, Chapter 1.7, Problem 13E , additional homework tip 2

From the boxplot, it is clear that the observation 175 is an extreme value when compared to the remaining observations.

Answer 6

Chapter 1.7, Problem 13E

(a)

To determine

Find the sample mean.

Find the median.

(a)

Expert Solution

Answer to Problem 13E

The sample mean is 124.3.

The median is 120.

Explanation of Solution

Calculation:

Step-by-step procedure to obtain the mean and median using MINITAB software:

Choose Stat > Basic Statistics > Display Descriptive Statistics.
In Variables enter the column hour.
Choose option statistics, and select Mean, Median.
Click OK.

Output obtained using MINITAB software is given below:

Probability and Statistics for Engineers and Scientists, Chapter 1.7, Problem 13E , additional homework tip 1

From the MINITAB output, the sample mean is 124.3, and the median is 120.

Answer 7

Chapter 1.7, Problem 13E

(a)

To determine

Find the sample mean.

Find the median.

Answer 8

(a)

Expert Solution

Answer to Problem 13E

The sample mean is 124.3.

The median is 120.

Answer 9

(a)

Expert Solution

Answer 10

(a)

Expert Solution

Answer 11

Expert Solution

Answer 12

Explanation of Solution

Calculation:

Step-by-step procedure to obtain the mean and median using MINITAB software:

Choose Stat > Basic Statistics > Display Descriptive Statistics.
In Variables enter the column hour.
Choose option statistics, and select Mean, Median.
Click OK.

Output obtained using MINITAB software is given below:

Probability and Statistics for Engineers and Scientists, Chapter 1.7, Problem 13E , additional homework tip 1

From the MINITAB output, the sample mean is 124.3, and the median is 120.

Answer 13

(b)

To determine

Identify the feature in this data set that is responsible for the substantial difference between the two.

(b)

Expert Solution

Explanation of Solution

Step-by-step procedure to obtain the boxplot using MINITAB software:

Choose Graph > Boxplot.
Under One Y, choose Simple. Click OK.
In Graph variables, enter the data of hour.
Click OK.

Output obtained using MINITAB software is given below:

Probability and Statistics for Engineers and Scientists, Chapter 1.7, Problem 13E , additional homework tip 2

From the boxplot, it is clear that the observation 175 is an extreme value when compared to the remaining observations.

Answer 14

(b)

To determine

Identify the feature in this data set that is responsible for the substantial difference between the two.

Answer 15

(b)

Expert Solution

Explanation of Solution

Step-by-step procedure to obtain the boxplot using MINITAB software:

Choose Graph > Boxplot.
Under One Y, choose Simple. Click OK.
In Graph variables, enter the data of hour.
Click OK.

Output obtained using MINITAB software is given below:

Probability and Statistics for Engineers and Scientists, Chapter 1.7, Problem 13E , additional homework tip 2

From the boxplot, it is clear that the observation 175 is an extreme value when compared to the remaining observations.

Answer 16

(b)

Expert Solution

Answer 17

(b)

Expert Solution

Answer 18

Expert Solution

Answer 19

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Find the sample mean. Find the median.

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Find the sample mean.

Find the median.

Answer to Problem 13E

Explanation of Solution

Identify the feature in this data set that is responsible for the substantial difference between the two.

Explanation of Solution

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Chapter 1 Solutions