QUESTION 11 Calculate the dispersion measures indicated for the following sample data: 22 55 44 38 27 36 63 22 19 20 What is the variance? a. 263.9 Ob. 239.6 c. 230.5 d. 276.8 QUESTION 12 Calculate the dispersion measures indicated for the following sample data: 22 55 44 38 27 36 63 22 19 20 What is Standard Deviation? O a. 185 b. 15.48 O c. 13.7 Od. 14.6 QUESTION 13 22 55 44 38 27 36 63 22 19 20 What is the Z score for the smallest value? O a. -1.13 O b. -1.65 O c. -1.28 d -2.45 QUESTION 14 Click Save and Submit to save and submit. Click Save All Answers to save all answers