Chapter 20

Question 1

Claim being assessed in a hypothesis test; usually is a statement of :no change from traditional value” or “no effect” or “no difference””

Answer 1

Null Hypothesis

Question 2

Claim that we should conclude if we find the null hypothesis to be unlikely

Answer 2

Alternative Hypothesis

Question 3

An alternative hypothesis when we are interested in deviations in either direction away from the hypothesized parameter value

Answer 3

Two-tailed

Question 4

An alternative hypothesis when we are interested in deviations in only one direction away from the hypothesized parameter value

Answer 4

One-tailed

Question 5

The probability of observing a value for a test statistic at least as far from the hypothesized value as the statistic value actually observed if the null hypothesis is true

Answer 5

P-value

Question 6

A test of the null hypothesis that the proportion of a single sample equals a specified value

Answer 6

One-proportion z test