Mathematics, 25.12.2019 17:31 tokuichi3135
Some scientists believe alcoholism is linked to social isolation. one measure of social isolation is marital status. a study of 280 adults is conducted, and each participant is classified as not alcoholic, diagnosed alcoholic, or undiagnosed alcoholic, and also by marital status.
diagnosed alcoholic undiagnosed alcoholic not alcoholic
married 21 37 58
not married 59 63 42
is there significant evidence of an association? run the appropriate test at the 5% level of significance.
1. write out the appropriate null hypothesis and the alternative hypothesis.
2. what is the appropriate test statistic that needs to be calculated?
3. calculate and report the appropriate test statistic. to get full credit, you must show your work.
4. decide to either fail to reject the null hypothesis or reject the null hypothesis, and describe the result and the statistical conclusion in an understandable way.
Answers: 3
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The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year
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Mathematics, 21.06.2019 19:00
Write an introductory paragraph for this corrie ten boom and her family were faced with some difficult choices after hitler came to power. some family members paid the ultimate price. write a carefully thought-out paper of at least 200 words dealing with the following concepts: --how should a christian act when evil is in power? --what do you think it would be like to live in an occupied country? remember to proofread anything you write thoroughly.
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Mathematics, 21.06.2019 19:00
If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9
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Some scientists believe alcoholism is linked to social isolation. one measure of social isolation is...
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