SOLUTION: A national random sample of 20 FCS scores from 2010 is listed below.calculate the sample mean and standard deviation of the data below, 29,26,13,23,23,25,17,22,17,19,12,26,30,30,18

Algebra.Com
Question 1162702: A national random sample of 20 FCS scores from 2010 is listed below.calculate the sample mean and standard deviation of the data below, 29,26,13,23,23,25,17,22,17,19,12,26,30,30,18,14,12,26,17,18



Answer by Boreal(15235)   (Show Source): You can put this solution on YOUR website!
mean is adding and dividing by the number
sd is taking there difference from each value and the mean, squaring it, adding all the squared values, and dividing (here) by 19.
mean is 20.85
std dev is 5.94
Can enter into STAT EDIT the values, then STAT CALC 1varstats ENTER.

RELATED QUESTIONS

a.) Obtain 1,000 simple random samples of size n=5 from a N(50,10) b.) Calculate the... (answered by ikleyn)
A random sample of 10 observations from one population revealed a sample mean of 23 and a (answered by stanbon)
Assume that IQ scores are normally distributed, with a standard deviation of 20 and a... (answered by ewatrrr)
6.The scores for an admissions test have a mean of 1200 with a standard deviation of 60.... (answered by stanbon)
Assume a random sample of n measurements is selected from a population with a mean of 20... (answered by Boreal)
Consider an infinite population with a mean of 160 and a standard deviation of 25. A... (answered by stanbon)
consider an infinite population with a mean of 160 and standard deviation of 25,a random... (answered by stanbon)
The U.S. National Center for Health Statistics collects data on cigarette smokers by sex... (answered by stanbon)
The Admissions officer for the graduate programs at the University of Pennsylvania... (answered by robertb)