Imagine that a researcher wanted to know the average weight of 5th grade boys in a high school. He randomly sampled 5 boys from that high school. Their weights were: 120 lbs., 99 lbs, 101 lbs, 87 lbs, 140 lbs. What's the sample standard deviation?
20.79182532 using stdev.s in excel or also found on our statistics calculator
20.79182532 using stdev.s in excel or also found on our statistics calculator