The mean is 102 and the standard deviation is 2.
The sample mean is equal to the population mean; the sample standard deviation is equal to
σ/√n = 10/(√25) = 2
Step-by-step explanation:
To find the average speed, you divide miles by hours.
27/3
So the average speed in miles per hour is 9.
Hope it helps!
(2c) / (3b)
(2*6) / (3*2) =
12/6 =
2 <===
Answer: 5, 6, 9, 2, 1, 8 ,4 , 7, 8, 3, 4, 9
Step-by-step explanation: