Multiple Choice
For the following hypothesis test, where H0: μ ≤ 10; vs. HA: μ > 10, we reject H0 at level of significance α and conclude that the true mean is greater than 10, when the true mean is really 14. Based on this information, we can state that we have
A) made a Type I error.
B) made a Type II error.
C) made the correct decision.
D) increased the power of the test.
Correct Answer:

Verified
Correct Answer:
Verified
Q78: A company has developed a new ink-jet
Q79: We are testing H<sub>0</sub>: p ≥ .7;
Q80: A mail-order business prides itself in its
Q81: A manufacturer of salad dressings uses machines
Q82: The level of significance, α, indicates the
Q84: The manager of a grocery store wants
Q85: It can be established at α =
Q86: The local pharmacy prides itself on the
Q87: A test statistic is computed from sample
Q88: The manager of the quality department for