1. The standard error is __________. a. determined from the population standard deviation and the sample size b. is an estimate of the sampling error c. the variability of the distribution of sample...

1. The standard error is __________.

a. determined from the population standard deviation and the sample size

b. is an estimate of the sampling error

c. the variability of the distribution of sample means

d. all of the above

2. The alpha level is the __________.

a. chance that the null hypothesis is true

b. the chance that the null hypothesis is false

c. the decision criterion for rejecting the null hypothesis set by the researcher