Understanding Null Hypothesis#
Part 1#
Assume the null hypothesis states that the mean is at most $\({{params.int1}}\)$. Is this a left-tailed, right-tailed, or two-tailed test?
Answer Section#
left-tailed test
right-tailed test
two-tailed test
Part 2#
Assume the null hypothesis states that the mean is equal to 88. The alternative hypothesis states that the mean is less than 88. Is this a left-tailed, right-tailed, or two-tailed test?
Answer Section#
left-tailed test
right-tailed test
two-tailed test
Attribution#
Problem is from the OpenStax Introductory Statistics 2e textbook, licensed under the CC-BY 4.0 license.