Scores on a statistics exam are given: 85 72 92 90 74 65 68 59 74 85 63 79 81 92 95 74 88 55.
In preparation for conducting a significance testing using the data given in the previous question, please discuss the following:
- Independence Assumption: -Randomization Condition: -10% Condition -Nearly Normal Condition
Does this data provide sufficient evidence at the alpha = .05 level of significance to conclude that the mean score is greater than 75?
State the appropriate hypotheses to conduct the test:
Calculate the value of the test-statistic.
Give the p-value of the test
Using a 5% significance level, what is your conclusion? Why?