Step-by-step explanation:
4 inches less means
April = a
March = a - 4
Hope this helps :)
Answer:
The second one! -5.99%
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given
Values: 9/5, 9/5, 2, 9/5
Required
Calculate the sample variance
Sample variance is calculated using:

First, we calculate the mean




becomes





<em>Hence, the variance is 0.01</em>
The second one is correct