Correct Answer Yes the sample size is small but we can see that the sample seems to come from a population with an approximately normal distribution Part 1 6 b Perform a hypothesis test to determine whether you can conclude that the mean score in 2019 differs from the mean score in 2018 Assume the population standard deviation is a 118 Use the a 0 10 level of significance and the P value method with the TI 84 Plus calculator State the null and alternate hypotheses H H 42 H 42 X D O D O 0 0 Espa ol 8E 20