4 Answered Questions for the topic null hypothesis

Null Hypothesis Math Statistics P Value

12/09/20

Which option best explains what the p-value means for this problem?
A poll surveyed people about taxing sugar-sweetened beverages. The results are presented in the table below, and are classified by ethnic group and response type. Are the poll responses independent... more
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Null Hypothesis Statistics Null

12/08/20

How do I state the distribution to use for this test?
"Untitled," by Stephen Chen"I've often wondered how software is released and sold to the public. Ironically, I work for a company that sells products with known problems. Unfortunately, most of the... more
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Null Hypothesis Math Statistics

12/08/20

What's the null hypothesis?
"The mean number of English courses taken in a 2-year time period by male and female college students is believed to be about the same. An experiment is conducted and data are collected from 29... more
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01/11/19

Hypothesis testing: Should I write the null hypothesis H0 as what have been claimed or write the alternative hypothesis H1 as what being observed in the reality?
I have some problem with my exercise, it wants me to conduct a hypothesis test. I found that what occurs in the reality (from the given data) satisfies the claim of a research, but if it's already... more
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