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The number of families who used the Minneapolis YWCA day

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

Solution for problem 52E Chapter 2

Basic Statistics for Business and Economics | 7th Edition

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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

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Problem 52E

Problem 52E

The number of families who used the Minneapolis YWCA day care service was recorded over a 30-day period. The results are as follows: 31, 49, 19, 62, 24, 45, 23, 51, 55, 60, 40, 35, 54, 26, 57, 37, 43, 65, 18, 41, 50, 56, 4, 54, 39, 52, 35, 51, 63, and 42.

a. Construct a cumulative frequency distribution of this data.

b. Sketch a graph of the cumulative frequency polygon.

c. How many days saw fewer than 30 families utilize the day care center?

d. How busy were the highest 80 percent of the days?

Step-by-Step Solution:

Problem 52E

The number of families who used the Minneapolis YWCA day care service was recorded over a 30-day period. The results are as follows: 31, 49, 19, 62, 24, 45, 23, 51, 55, 60, 40, 35, 54, 26, 57, 37, 43, 65, 18, 41, 50, 56, 4, 54, 39, 52, 35, 51, 63, and 42.

a. Construct a cumulative frequency distribution of this data.

b. Sketch a graph of the cumulative frequency polygon.

c. How many days saw fewer than 30 families utilize the day care centre?

d. How busy were the highest 80 percent of the days?

                                                        Step by step solution

Step 1 of 5

Given: The data of the number of families who used the Minneapolis YWCA day care service was recorded over a 30-day period is,

31, 49, 19, 62, 24, 45, 23, 51, 55, 60, 40, 35, 54, 26, 57, 37, 43, 65, 18, 41, 50, 56, 4, 54, 39, 52, 35, 51, 63, and 42.

a. From the given data,

Maximum number of families = 65

Minimum number of families = 4

Range of number of families can be calculated as,

Number of classes can be computed as ‘k’ that satisfies . The value of k that satisfies the equation is . Let, number of classes (k) = 7 and width of interval = 10.

Cumulative Frequency Distribution of the data is tabulated as:

Class Interval

Frequency

Cumulative Frequency

0-10

1

1

10-20

2

1+2 = 3

20-30

3

3+3 = 6

30-40

5

6+ 5 = 11

40-50

6

11+6 = 17

50-60

9

17+9 = 26

60-70

4

26+4 = 30

Step 2 of 3

Chapter 2, Problem 52E is Solved
Step 3 of 3

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

The full step-by-step solution to problem: 52E from chapter: 2 was answered by , our top Business solution expert on 08/23/17, 08:36AM. Basic Statistics for Business and Economics was written by and is associated to the ISBN: 9780077384470. This full solution covers the following key subjects: day, days, families, frequency, cumulative. This expansive textbook survival guide covers 6 chapters, and 325 solutions. Since the solution to 52E from 2 chapter was answered, more than 6170 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Basic Statistics for Business and Economics , edition: 7. The answer to “The number of families who used the Minneapolis YWCA day care service was recorded over a 30-day period. The results are as follows: 31, 49, 19, 62, 24, 45, 23, 51, 55, 60, 40, 35, 54, 26, 57, 37, 43, 65, 18, 41, 50, 56, 4, 54, 39, 52, 35, 51, 63, and 42.a. Construct a cumulative frequency distribution of this data.________________b. Sketch a graph of the cumulative frequency polygon.________________c. How many days saw fewer than 30 families utilize the day care center?________________d. How busy were the highest 80 percent of the days?” is broken down into a number of easy to follow steps, and 93 words.

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