When hypotheses for a study are said to be mutually exclusive, this means the hypotheses .
a. are both reliable.
b. can't both be true.
c. can't both be reliable.
d. are both true.
Question 2
In a study, Chris selected individuals by drawing names from a hat. Chris chooses one at a time and with each individual selected, he replaces the individual's name back in the hat before selecting the next individual. Chris is using .
a. sampling with replacement.
b. sampling with duplication.
c. sampling without replacement.
d. sampling without duplication.