If we have an average score of 550 with standad deviation of 100, wih 80 people with an average score of 532what will be the conclusion with a .05 level of significance being used.
what is the H0 versus the H1
what is the comparison distribution
what are the standard normal cut off values for a test with significance level of 0.05
what is the observed z score?
how can i test my hypotheses and get to a conclusion
what is the 95% confidence interval for the mean scores