I Two Examples of a Hypothesis Are: 1) Mean Monthly

i. Two examples of a hypothesis are: 1) mean monthly income from all sources for senior citizens is
$841 and 2) twenty percent of juvenile offenders ultimately are caught and sentenced to prison.
ii. Hypothesis testing is a procedure based on sample evidence and probability theory to decide
Whether the hypothesis is a reasonable statement.
iii. The test statistic for a problem involving an unknown population standard deviation is the
Student's t distribution.

A) (i) , (ii) , and (iii) are all correct statements.
B) (i) is a correct statement but not (ii) or (iii) .
C) (i) and (iii) are correct statements but not (ii) .
D) (i) and (ii) are correct statements but not (iii) .
E) (i) , (ii) , and (iii) are all false statements.