Answer:
Descriptive statistics
Explanation:
The population average is a descriptive statistic. It informs about how the population looks like, in this case, the population looks like having a average of 1000.
If, using her class's average where to infer the population average that is inferential statistic. But that is not the case
Answer:
-78.12
Step-by-step explanation:
1/3×18/1
×3
1/3×54/3
54/9
6/1 or 6
Answer:
10%
Step-by-step explanation: