* a) No baseline risk is given, so it is not know whether a a high relative risk has practical importance
* b) High relative risk has practical importance
* b) A confounding variable rather than the explanatory variable is responsible for a change in the response variable.
* c) The direction of the relationship between two variables changes when the categories of a confounding variable are taken into account.
* d) The results of a test are statistically significant but are really due to chance.
Answer - c
* a) Related in the population represented by the sample.
* b) Not related in the population represented by the sample
* c) Related in the sample due to chance alone
* d) Very important
Answer - a
* a) Hypothetical counts that would occur of the alternative hypothesis were true.
* b) Hypothetical counts that would occur if the null hypothesis were true
* c) The actual counts that did occur in the observed data
* d) The long-run counts that would be expected if the observed counts are representative.
Answer - b
* a) Marriage leads to better emotional health.
* b) Better emotional health leads to marriage.
* c) The more emotionally healthy someone is, the more likely are they to be married
* d) There are likely to be confounding variables related to both emotional health and marital status
Answer - d
* a) About the same as their ideal weight
* b) less than their ideal weight.
* c) greater than their ideal weight.
* d) No more than 2 pounds different from their ideal weight
Answer - c
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