|
- A professor would like to test the hypothesis that the average number . . .
The null hypothesis states that the population mean time to complete the statistics exam is equal to 45 minutes, while the alternative hypothesis states that it is not equal to 45 minutes
- Statistics Final Exam Flashcards | Quizlet
A statistician wishing to test a hypothesis that students score more than 75% on the final exam in an introductory statistics course decides to randomly select 40 students in the class and have them take the exam early
- Practice Tests (1-4) and Final Exams · Statistics
You draw a sample of 25 students from your college, and find the sample mean to be 18 5 hours, with a standard deviation of 1 5 hours What distribution will you use to test whether study habits at your college are the same as the national average, and why?
- Solved A professor would like to test the hypothesis that - Chegg
A professor would like to test the hypothesis that the average number of minutes that a student needs to complete a statistics exam is equal to 45 minutes A random sample of 40 students was selected and the number of minutes needed to complete the exam was recorded
- An instructor claims that her students take an average of 45. . .
You decide to investigate this using a significance level of 0 01 You take a sample, find the test statistic, and find the p-value is 0 0001 (small by anyone's standards) What is your conclusion? A The p-value indicates the null hypothesis is wrong and therefore, the average time is higher B
- An instructor claims that her students take an average of 45 minutes to . . .
There is enough evidence to conclude that the average exam time is more than 45 minutes This conclusion is supported by the fact that the p-value is significantly smaller than the significance level, indicating that the observed sample data is highly unlikely under the null hypothesis
- [Solved] An instructor claims that her students take an average of 45 . . .
You decide to investigate this using a significance level of 0 01 You take a sample, find the test statistic, and find the p-value is 0 0001 (small by anyone's standards) What is your conclusion? Reject the null hypothesis Is this answer helpful?
- Solved A professor of statistics claims that her students - Chegg
A professor of statistics claims that her students take 45 minutes to complete her exams You think that the average time is higher than that and decide to investigate using a significance level of 0 01
|
|
|