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The Editor’s Report in the November 2003 issue of

Statistics for Engineers and Scientists | 4th Edition | ISBN: 9780073401331 | Authors: William Navidi ISBN: 9780073401331 38

Solution for problem 18SE Chapter 1

Statistics for Engineers and Scientists | 4th Edition

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Statistics for Engineers and Scientists | 4th Edition | ISBN: 9780073401331 | Authors: William Navidi

Statistics for Engineers and Scientists | 4th Edition

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Problem 18SE

The Editor’s Report in the November 2003 issue of lechnometrics provides the following information regarding the length of time taken to review articles that were submitted for publication during the year 2002. A few articles took longer than 9 months to review, these are omitted from the table.

Time (months)

Number of Articles

0-<1

45

l-< 2

17

2-< 3

18

3-< 4

19

4-< 5

12

5-< 6

14

6-< 7

13

7-< 8

22

8-< 9

11

a.         Construct a histogram for these data.

b.        Which class interval contains the median review time?

c.         Which class interval contains the first quartile of the review times?

d. Which class interval contains the third quartile of the review times?

Step-by-Step Solution:

Answer :

Step 1 of 4 :

The editor’s Report on the November 2003 the article that was submitted for publication during the year 2002.

A few articles took longer than 9 months to review.

Then the data is given below.

Time (months)

Number  of Articles

0-<1

45

l-< 2

17

2-<3

18

3-<4

19

4-<5

12

5-<6

14

6-<7

13

7-<8

22

8-<9

11

Our goal is to find

a). Construct a histogram of these data.

b). Which class interval contains the median review time.

c). Which class interval of the first quartile of the review time.

d). Which class interval of the third quartile of the review time.

a).

Now we have to construct a histogram of these data.

Then the histogram is given below.

               

Step 2 of 4 :

b).

Now we have to find the which class interval contains the median review time.

Consider the data

Time (months)

Number of Articles

0-<1

45

l-< 2

17

2-<3

18

3-<4

19

4-<5

12

5-<6

14

6-<7

13

7-<8

22

8-<9

11

Total

171

From the above table sample size is 171.

So the value of the position of the median is

86

From the given data we arranged in order.

In the data the middle most value is 17.

Hence the median is 17.

Then there are 45+17+18 = 80 values less than or equal to 3 (from the table), and

80+19 = 99 values less than or equal to 4.

Therefore 3-<4 class interval contains the median.

Step 3 of 4

Chapter 1, Problem 18SE is Solved
Step 4 of 4

Textbook: Statistics for Engineers and Scientists
Edition: 4
Author: William Navidi
ISBN: 9780073401331

The full step-by-step solution to problem: 18SE from chapter: 1 was answered by , our top Statistics solution expert on 06/28/17, 11:15AM. This textbook survival guide was created for the textbook: Statistics for Engineers and Scientists , edition: 4. This full solution covers the following key subjects: review, Articles, class, contains, interval. This expansive textbook survival guide covers 153 chapters, and 2440 solutions. Since the solution to 18SE from 1 chapter was answered, more than 293 students have viewed the full step-by-step answer. The answer to “The Editor’s Report in the November 2003 issue of lechnometrics provides the following information regarding the length of time taken to review articles that were submitted for publication during the year 2002. A few articles took longer than 9 months to review, these are omitted from the table.Time (months)Number of Articles0-<145l-< 2172-< 3183-< 4194-< 5125-< 6146-< 7137-< 8228-< 911a. Construct a histogram for these data.________________b. Which class interval contains the median review time?________________c. Which class interval contains the first quartile of the review times?________________d. Which class interval contains the third quartile of the review times?” is broken down into a number of easy to follow steps, and 95 words. Statistics for Engineers and Scientists was written by and is associated to the ISBN: 9780073401331.

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