First, find the mean. You'll need it to compute the variance.

The variance of the sample is then computed with the formula

The standard deviation is the square root of the variance, so
The value of the 3 in 6300 os 300 and it is ten times as many as the 3 in 530
Answer:
24
Step-by-step explanation:
You just do 6 / 1/4 = 24
1320 ft out of a mile. 5280 feet in a mile so
1320/5280
keep simplifying until you get to 1/4