Astore manager is looking at past jewelry sales to determine what sizes of rings to keep in stock. the list shows the ring sizes purchased by the last ten jewelry customers. 9, 7, 6.5, 7.5, 7, 8, 5, 6, 7.5, 8 what is the variance of the data? round to the nearest hundredths.
0.40
0.72
1.15
2.14

set of data

 step 1

Find the mean

 step 2

 for each number: subtract the Mean and square the result

 step 3

 work out the mean of those squared differences

this value is called the "Variance"

the answer is the option

answer: both chords and diameters have two endpoints on a circle. diameters must intersect the center of a circle.

don't report but were is the digram

step-by-step explanation: