Questions Asked

roguemichelle:
Is it significant? The one–sample t statistic from a sample of n = 15 observations for the twosided test of
H0: μ = 64
…
 updated one year ago
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roguemichelle:
(18.47) There is evidence that cytotoxic T lymphocytes ( T cells) participate in controlling tumor growth and that they can be harnessed to …
 updated one year ago
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roguemichelle:
The amount of milk sold each day by a grocery store varies according to the Normal distribution with mean 130 gallons and standard deviation…
 updated one year ago
 3 replies
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roguemichelle:
The scores of a certain population on the Wechsler Intelligence Scale for Children (WISC) are thought to be Normally distributed, with mean …
 updated one year ago
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roguemichelle:
42. The decrease in cholesterol level after eating a certain brand of oatmeal for breakfast for one month in people with cholesterol levels …
 updated one year ago
 1 reply
 1 Medal

roguemichelle:
32. You plan to construct a confidence interval for the mean μ of a Normal population with (known) standard deviation σ. Which of the follow…
 updated one year ago
 4 replies
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roguemichelle:
Spelling mistakes in a text are either “nonword errors” or “word errors.” A nonword error produces a string of letters that is not a word, s…
 updated one year ago
 10 replies
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roguemichelle:
Each month, the census bureau mails survey forms to 250,000 households asking questions about the people living in the household and about s…
 updated one year ago
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roguemichelle:
In a study of human development, investigators showed two movies that were different types to groups of children. Crackers were available in…
 updated one year ago
 1 reply
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roguemichelle:
Two variables in a study are said to be confounded if A. one cannot separate their effects on a response variable. B. they are highly corr…
 updated one year ago
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