Conduct a hypothesis test by going through the six steps A college math teacher claims that the mean score of students in his Statistics class is greater than 82 with a standard deviation of 20. If a sample of 81 students was selected with a mean score of 90 then check if there is enough evidence to support this claim (based on the sample) at a 0.01 significance level.
Conduct a hypothesis test by going through the six steps
A college math teacher claims that the mean score of students in his Statistics class is greater than 82 with a standard deviation of 20. If a sample of 81 students was selected with a mean score of 90 then check if there is enough evidence to support this claim (based on the sample) at a 0.01 significance level.
Step by step
Solved in 2 steps with 2 images
Conduct a hypothesis test by going through the six steps
A college math teacher claims that the mean score of students in his Statistics class is greater than 82 with a standard deviation of 20. If a sample of 81 students was selected with a mean score of 90 then check if there is enough evidence to support this claim (based on the sample) at a 0.01 significance level.