Answer:
86/5 or 17.2
Step-by-step explanation:
5 + 21/5 + 8
46/5 + 8
86/5 or 17.2
Answer:
B. Period 1 had scores that were less spread out around the mean than
Period 2
Step-by-step explanation:
Because the standard deviation of Period 2's scores is greater than that of Period 1's, the test scores for Period 2 are going to be more spread out than Period 1's test scores. B is the most logical choice in this case.