Answer:
Step-by-step explanation:
Step 1: Calculate the mean.
Step 2: Calculate how far away each data point is from the mean using positive distances. These are called absolute deviations.
Step 3: Add those deviations together.
Step 4: Divide the sum by the number of data points.
For this case, we must find the quotient of
divided by
, to verify if Tina was correct.
So:
So, Tina was wrong, she had to divide by 3x.
Answer:
Option B
172/387 = 4/t
Let t = time to travel 387 miles
172t = 4(387)
172t = 1548
t = 1548/172
t = 9
Answer: 9 hours
Answer:
the answer is d
Step-by-step explanation:
