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Get Full Access to Statistics: Informed Decisions Using Data - 5 Edition - Chapter 4.1 - Problem 8
Get Full Access to Statistics: Informed Decisions Using Data - 5 Edition - Chapter 4.1 - Problem 8

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?True or False: Correlation implies causation.

ISBN: 9780134133539 240

Solution for problem 8 Chapter 4.1

Statistics: Informed Decisions Using Data | 5th Edition

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Problem 8

True or False: Correlation implies causation.

Step-by-Step Solution:

Step 1 of 5) Correlation implies causation. There is nothing magical about the choice of 1 as a class width. We could have selected a class width of 3 or any other class width. We choose a class width that we think will nicely summarize the data. If our choice doesn’t accomplish this, we can always try another. The second class has a lower class limit of 8 + 1 = 9. The classes cannot overlap, so the upper-class limit of the first class is 8.99. Continuing in this fashion, we obtain the following classes: 8-8.99 9-9.99 f 19-19.99. This gives us 12 classes. Tally the number of observations in each class, count the tallies, and create the frequency distribution. Divide the frequency of each class by 40, the number of observations, to obtain the relative frequency.

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