Answered: Selling price Frequencies (Workforce)…

Linear Algebra: A Modern Introduction

4th Edition

ISBN:9781285463247

Author:David Poole

Publisher:David Poole

Chapter4: Eigenvalues And Eigenvectors

Section4.6: Applications And The Perron-frobenius Theorem

Problem 22EQ

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Question

18.

please answer quick:

Here is the data relating to the selling prices of a given product in grocery stores in the province of Ontario.

Complete the board.

b. What class range was used?

c. What is the total number of products sold?

d. What is the proportion of products that were sold at a price greater than or equal to $70 and less than $150?

e. What is the average of the products sold?

f. What is the median of products sold?

Selling price
Frequencies
(Workforce)
[30, 50[
4
[50, 70[
18
[70, 90[
25
[90, 110[
35
[110, 130[
17
[130, 150[
15
[150, 170[
6
Selling price Frequencies Frequencies Increasing cumulative
(Workforce Relative (%) frequencies (%)
[30, 50[
4
[50, 70[
18
[70, 90[
25
[90, 110[
35
[110, 130[
17
[130, 150[
15
[150, 170[
6
Total

Definition Definition Middle value of a data set. The median divides a data set into two halves, and it also called the 50th percentile. The median is much less affected by outliers and skewed data than the mean. If the number of elements in a dataset is odd, then the middlemost element of the data arranged in ascending or descending order is the median. If the number of elements in the dataset is even, the average of the two central elements of the arranged data is the median of the set. For example, if a dataset has five items—12, 13, 21, 27, 31—the median is the third item in ascending order, or 21. If a dataset has six items—12, 13, 21, 27, 31, 33—the median is the average of the third (21) and fourth (27) items. It is calculated as follows: (21 + 27) / 2 = 24.

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