The answer will depend on the distribution of the weights. There is no basis for assuming that the distribution is normal, or even symmetrical.
About 2.87 pounds.
About three pounds.
"What is the set of weights?" "What is the set of weights?" "What is the set of weights?"
250 pounds
61.7 pounds
5 lbs. 8 lbs. 10 lbs. 15. and then up 5 pounds from there.
A standard bar weights 20 pounds.
the standard weight is 280-290 Grams about 10 ounces and about .63 pounds
A standard horizontal bench with support for a thousand pounds is safe.
151 lbs
People sometimes use the standard deviation (SD) and standard error of the mean (SEM) synonymously; but technically they refer to 2 different things. SD is the SD of 1 sample and SEM is the SD of numerous samples taken together. So, to answer your question, we will say the SEM is 15 (but since you have 1 sample of 9 men, call it SD).
A little over 3 pounds per square foot
The weight of a free weight standard barbell typically weights about 22 pounds.
40 lbs
About 2100 pounds
46
4 pounds from 75 pounds is 71 pounds, so the dog has gained 71 pounds in weight.