×
Log in to StudySoup
Get Full Access to Basic Statistics For Business And Economics - 7 Edition - Chapter 2 - Problem 18e
Join StudySoup for FREE
Get Full Access to Basic Statistics For Business And Economics - 7 Edition - Chapter 2 - Problem 18e

Already have an account? Login here
×
Reset your password

Ecommerce.com, a large Internet retailer, is studying the

Basic Statistics for Business and Economics | 7th Edition | ISBN: 9780077384470 | Authors: Douglas Lind; William Marchal; Samuel Wathen ISBN: 9780077384470 64

Solution for problem 18E Chapter 2

Basic Statistics for Business and Economics | 7th Edition

  • Textbook Solutions
  • 2901 Step-by-step solutions solved by professors and subject experts
  • Get 24/7 help from StudySoup virtual teaching assistants
Basic Statistics for Business and Economics | 7th Edition | ISBN: 9780077384470 | Authors: Douglas Lind; William Marchal; Samuel Wathen

Basic Statistics for Business and Economics | 7th Edition

4 5 1 335 Reviews
11
3
Problem 18E

Problem 18E

Ecommerce.com, a large Internet retailer, is studying the lead time (elapsed time between when an order is placed and when it is filled) for a sample of recent orders. The lead times are reported in days.

Lead Time (days)

Frequency

0 up to 5

6

5 up to 10

7

10 up to 15

12

15 up to 20

8

20 up to 25

7

Total

40

a. How many orders were studied?

b. What is the midpoint of the first class?

c. What are the coordinates of the first class for a frequency polygon?

d. Draw a histogram.

e. Draw a frequency polygon.

f. interpret the lead times using the two charts.

Step-by-Step Solution:

Problem 18E

Ecommerce.com, a large Internet retailer, is studying the lead time (elapsed time between when an order is placed and when it is filled) for a sample of recent orders. The lead times are reported in days.

Lead Time (days)

Frequency

0 up to 5

6

5 up to 10

7

10 up to 15

12

15 up to 20

8

20 up to 25

7

Total

40

a. How many orders were studied?

b. What is the midpoint of the first class?

c. What are the coordinates of the first class for a frequency polygon?

d. Draw a histogram.

e. Draw a frequency polygon.

f. Interpret the lead times using the two charts.

                                                          Step by step solution

Step 1 of 6

a. The table shows lead time of sampled orders. It is a 2 x 7 table with top row displaying headers; leading time and frequency of orders.

The total orders sampled for the study is the sum of all frequencies  in second column, that is,

  

Hence, total orders studied are 40.

Step 2 of 6

Chapter 2, Problem 18E is Solved
Step 3 of 6

Textbook: Basic Statistics for Business and Economics
Edition: 7
Author: Douglas Lind; William Marchal; Samuel Wathen
ISBN: 9780077384470

Other solutions

People also purchased

Related chapters

Unlock Textbook Solution

Enter your email below to unlock your verified solution to:

Ecommerce.com, a large Internet retailer, is studying the