150 Using Pearson’s coefficient of correlation to indicate if there is any relationship between number of pages and price of the book.
150 Using Pearson’s coefficient of correlation to indicate if there is any relationship between number of pages and price of the book.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 11PPS
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Question
(a) A random sample of books produced by a particular publisher was selected. The price and numbers of pages were recorded for each book:
Price (RM) | 4.80 | 3.20 | 3.50 | 5.60 | 2.00 | 4.00 | 2.50 |
Number of pages | 360 | 120 | 230 | 180 | 220 | 300 | 150 |
Using Pearson’s coefficient of
number of pages and price of the book.
b) Twelve pairs of fashion shoes were ranked in order of merit for marketability by two different marketing managers. The following table was obtained as a result:
Pairs of shoes
Manager | A | B | C | D | E | F | G | H | I | J | K | L |
I | 9 | 5 | 1 | 6 | 10 | 2 | 11 | 7 | 8 | 3 | 12 | 4 |
II | 7 | 4 | 1 | 5 | 9 | 3 | 10 | 8 | 6 | 2 | 12 | 11 |
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