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2.12 Suppose the man does not run for 6 months over the winter due to snow on the ground. He resumes running once a week in the spring and records a running time 12.97 minutes in his first week of running in the spring.

2.12 Suppose the man does not run for 6 months over the winter due to snow on the ground. He resumes running once a week in the spring and records a running time 12.97 minutes in his first week of running in the spring.

College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.4: Geometric Sequences And Series
Problem 6SC
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Please only answer 2.12 don't answer 2.9
2.12 Suppose the man does not run for 6 months over the winter due to snow on the ground. He resumes running once a week in the spring and records a running time = 12.97 minutes in his first week of running in the spring.
Transcribed Image Text:2.12 Suppose the man does not run for 6 months over the winter due to snow on the ground. He resumes running once a week in the spring and records a running time = 12.97 minutes in his first week of running in the spring.
2.9 What is standard deviation of the 1 mile running time over 18 weeks? TABLE 2.14 One mile running time for an individual, over 18 weeks WK 1 2 3 4 5 6 7 8 9 Time (min)(x,) 12.80 12.20 12.25 12.18 11.53 12.47 12.30 12.08 11.72 WK 10 12 13 14 15 16 17 18 Time (min)(x) 11.57 11.73 12.67 11.92 11.67 11.80 12.33 12.55 11.83
Transcribed Image Text:2.9 What is standard deviation of the 1 mile running time over 18 weeks? TABLE 2.14 One mile running time for an individual, over 18 weeks WK 1 2 3 4 5 6 7 8 9 Time (min)(x,) 12.80 12.20 12.25 12.18 11.53 12.47 12.30 12.08 11.72 WK 10 12 13 14 15 16 17 18 Time (min)(x) 11.57 11.73 12.67 11.92 11.67 11.80 12.33 12.55 11.83
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