The question was investigated of whether (a) age at which infants start to crawl is related to
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The question was investigated of whether (a) age at which infants start to crawl is related to (b) seasonal temperature six months after birth. “Six months after birth” was targeted as the period in which babies typically first try crawling. For a large sample of babies, (a) the time at which crawling actually began and (b) the average monthly temperature six months after the birth month was collected.
Month | Average Age Starting to Crawl (weeks) | Average Temperature 6 Months After Birth Month (in units Fahrenheit) |
January | 29.84 | 66 |
February | 30.52 | 73 |
March | 29.7 | 72 |
April | 31.84 | 63 |
May | 28.58 | 52 |
June | 31.44 | 39 |
July | 33.64 | 33 |
August | 32.82 | 30 |
September | 33.83 | 33 |
October | 33.35 | 37 |
November | 33.38 | 48 |
December | 32.32 | 57 |
1. Indicate your research hypotheses (null and alternative), incorporating the appropriate symbols.
2. State what the hypotheses mean.
Related Book For
Applied Statistics in Business and Economics
ISBN: 978-0073521480
4th edition
Authors: David Doane, Lori Seward
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