4 Questions
What is the null hypothesis for this hypothesis test?
The null hypothesis is that the average amount of time spent by the office workers reading and deleting spam emails is equal to or less than 25 minutes per day. H_0: μ ≤ 25.
What is the alternative hypothesis for this hypothesis test?
The alternative hypothesis is that the average amount of time spent by the office workers reading and deleting spam emails exceeds 25 minutes per day. H_1: μ > 25.
What is the test statistic used for this hypothesis test?
The test statistic used for this hypothesis test is the t-statistic. t = (χ̄ - μ) / (s / √n), where χ̄ is the sample mean, μ is the hypothesized population mean, s is the sample standard deviation, and n is the sample size.
What is the critical value used for this hypothesis test at the 1% significance level?
The critical value used for this hypothesis test at the 1% significance level is t_crit = t-distribution value with (n-1) degrees of freedom and α = 0.01.
Test Your Statistical Skills: Analyzing Spam Email Habits of Office Workers in Fiji
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
