find the mean and standard deviation of each data set. round to nearest hundredth. Based on the standard deviations, which data set has values that are the most spread out? Which data set has values that are the most tightly-grouped?
1. 4 8 5 12 3 9 5 2
2. 102 98 103 86 101 110
3. 8.2 11.6 8.7 10.6 9.4 10.1 9.3

Question

find the mean and standard deviation of each data set. round to nearest hundredth. Based on the standard deviations, which data set has values that are the most spread out? Which data set has values that are the most tightly-grouped?
1. 4 8 5 12 3 9 5 2
2. 102 98 103 86 101 110
3. 8.2 11.6 8.7 10.6 9.4  10.1 9.3

amistre64 · Answer

do you have to do it by hand?  or can you use a calculator?

anonymous · Answer

you can use a calculator