Running head: STATISTICS HOMEWORKStatistics HomeworkStudents
NameInstitutional Affiliation1STATISTICS HOMEWORK2Statistics
Homework1) Identify Whether to Use a One-tailed or Two-tailed Test
Given H0: p 80% and Ha: p
<80 determine="" whether="" the="" hypothesis="" test="" is="" or="" two-tailed.H0:="" p="">< 80%Because Ha contains the < symbol, the test is a left-tailed hypothesis test.= Left-tailed test2) A car maker claims that its new sub-compact car gets better than 47 miles per gallon onthe highway. Determine whether the hypothesis test for this is left-tailed, right-tailed, ortwo-tailed.The claim is new sub-compact car gets better than 47 miles per gallon on the highway.H0: p 47 miles per gallonHa: p >
47 miles per gallonBecause Ha contains the > symbol, the test is
a right-tailed hypothesis test= Right-tailed test3) The owner of a
professional basketball team claims that the mean attendance at
games isover 30,000 and therefore the team needs a new arena.
Determine whether the hypothesistest for this claim is left tailed,
right-tailed, or two-tailed.The claim is the mean attendance at
games is over 30,000.H0: p 30,000Ha: p > 30,000STATISTICS
HOMEWORK3Because Ha contains the > symbol, the test is a
right-tailed hypothesis test= Right-tailed test4) Interpret a
Decision Based on the Results of a Statistical Test The mean age of
busdrivers in Chicago is 50.2 years. If a hypothesis test is …