The owner of a chain of fruit shakes stores would like to study the correlation between atmospheric temperature and sales during the summer season. A random sample of 12 days is selected with the results given as follows: Day 1 2 3 4 5 6 7 8 9 10 11 12 Temperature in (F) 79 76 78 84 90 83 93 94 97 85 88 82 Total Sales(Units) 147 143 147 168 206 155 192 211 209 187 200 150 Does it appear there is a relationship between atmospheric temperature and sales at .05 level of significance.

The owner of a chain of fruit shakes stores would like to study the correlation between atmospheric temperature and sales during the summer season. A random sample of 12 days is selected with the results given as follows: Day 1 2 3 4 5 6 7 8 9 10 11 12 Temperature in (F) 79 76 78 84 90 83 93 94 97 85 88 82 Total Sales(Units) 147 143 147 168 206 155 192 211 209 187 200 150 Does it appear there is a relationship between atmospheric temperature and sales at .05 level of significance.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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Question

Day	1	2	3	4	5	6	7	8	9	10	11	12
Temperature in (F)	79	76	78	84	90	83	93	94	97	85	88	82
Total Sales(Units)	147	143	147	168	206	155	192	211	209	187	200	150

Does it appear there is a relationship between atmospheric temperature and sales at .05 level of significance.

Definition Definition Relationship between two independent variables. A correlation tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

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