Essay
You are given the following information obtained from a random sample of 5 observations. Assume the population has a normal distribution.
You want to determine whether or not the mean of the population from which this sample was taken is significantly less than 21.
a.State the null and the alternative hypotheses.
b.Compute the standard error of the mean.
c.Determine the test statistic.
d.Determine the p-value and at 90% confidence, test whether or not the mean of the population is significantly less than 21.
Correct Answer:
Verified
a.H0: ≥ 21
Ha<...View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Correct Answer:
Verified
Ha<...
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Q11: Consider the following hypothesis test:<br>H<sub>o</sub>: <span
Q30: For a two-tailed test, a sample of
Q41: Exhibit 9-4<br>The manager of a grocery store
Q59: The average starting salary of students who
Q71: Exhibit 9-1<br>n = 36 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB2206/.jpg"
Q76: A sample of 81 account balances
Q91: The school's newspaper reported that the
Q99: Choo Choo Paper Company makes various types
Q125: Exhibit 9-8<br>The average gasoline price of one
Q127: The level of significance in hypothesis testing