Multiple Choice
A statistically significant difference with the z test means that.
A) the population mean is larger than the hypothesized sample value
B) the alpha level was higher than expected by chance alone
C) the sample mean comes from a population with a mean different from the hypothesized population value
D) the alpha level was lower than expected by chance alone
Correct Answer:
Verified
Correct Answer:
Verified
Q67: If the result of a one-sample t
Q68: The 95 percent confidence interval for
Q69: The shape of the sampling distribution of
Q70: The probability level that establishes how improbable
Q71: The statistical symbol H1 represents a(n) hypothesis.<br>A)null<br>B)alternative<br>C)research<br>D)true
Q73: If a(n) hypothesis is not rejected when
Q74: From a statistical point of view, results
Q75: A nonsignificant difference with the z test
Q76: Nonparametric statistical tests often are called tests.<br>A)distribution-free<br>B)variance-free<br>C)null-parameter<br>D)nondirectional
Q77: If alpha is changed from .05 to