Answer:
Positive
Step-by-step explanation:
Positive for ascend change, negative for otherwise
0, -1 I think. If that’s wrong use a calculator and take the answer and subtract it by the answer of the first problem
30%
am I correct? Fix my answer if I am not.
Answer:
1.77 to nearest hundredth
Step-by-step explanation:
Z-score = (score - mean) / standard deviation
98 is the highest score and its z-score is (98- 81.5) / 9.3
= 1.7742