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...

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