1) Here is a distribution of 20 observations, sorted from smallest to largest:
1,3,3,5, 8, 12, 15, 16, 18, 21, 24, 26, 26, 28, 31, 33, 34, 35, 40, 41
The mean of the distribution is 21. What is the sum of all the distances
from the mean?

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

How do you convert 1.27 to a percentage

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships