Concept explainers
Weekly Sales Table 8 gives the relative frequency distribution for the weekly sales of two businesses.
Table 8
Relative Frequency |
||
Sales | Business A |
Business B |
100 |
.1 |
0 |
101 |
.2 |
.2 |
102 |
.3 |
0 |
103 |
0 |
.2 |
104 |
0 |
.1 |
105 |
.2 |
.2 |
106 |
.2 |
.3 |
(a) Compute the population mean and the variance for each business.
(b) Which business has the better sales record?
(c) Which business has the more consistent sales record?
Want to see the full answer?
Check out a sample textbook solutionChapter 7 Solutions
Finite Mathematics & Its Applications (12th Edition)
Additional Math Textbook Solutions
Fundamentals of Differential Equations and Boundary Value Problems
Mathematics for Elementary Teachers with Activities (5th Edition)
Probability and Statistics for Engineers and Scientists
Calculus for Business, Economics, Life Sciences, and Social Sciences (14th Edition)
Mathematical Ideas (13th Edition) - Standalone book
Pathways To Math Literacy (looseleaf)
- Big Ideas Math A Bridge To Success Algebra 1: Stu...AlgebraISBN:9781680331141Author:HOUGHTON MIFFLIN HARCOURTPublisher:Houghton Mifflin HarcourtGlencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill