The following are data on attitudes towards illegal immigrants collected using a feeling thermometera 0 to 100 scale where 0 = entirely negative attitudes and 100 = entirely positive attitudes. 10, 5, 20, 35, 0, 70, 15, 5, 15, 25, 45, 15

Calculate the three measure of central tendency for these data.

For the data set in the previous question,calculate the standard deviation and explain what this value means.