A dietician obtains a sample of the amounts of sugar (in centigrams) in each of 10 different cereals, including Cheerios, Corn Flakes, Fruit Loops and others.

24 30 47 43 7 47 13 44 39 10

• Find the mean amount of sugar. - If necessary ROUND to the nearest hundredthplace. The mean is
• Complete the table. HINT: use your graphing calculator

Data Values "X"	The distance from the "X" value to the mean	The (distance)^2
24	-6.4
30
47	16.6
43
7	-23.4
47
13		302.76
44
39		73.96
10

• Find the VARIANCE. If necessary, round the variance to the nearest thousandths. The variance is
• Find the standard deviation. If necessary, round the standard deviation to the nearest hundredths. The standard deviation is