For the data set 7, 5, 10, 11, 12, the mean, x, is 9. What is the standard deviation? The formula for the sample standard deviation is s = 1 Z(x-x)? Vn-1 Use the table to help you. X - X (x - 2)2 4 -2 5 -4 1 2 4 9 Sum = Round your answer to the nearest tenth. ( A. 2.6
B. 6.8
C. 8.5
D. 2.9

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

Given: ab ≅ bc and ao ≅ oc ok − angle bisector of ∠boc find: m∠aok

Recall that two angles are complementary if the sum of their measures is? 90°. find the measures of two complementary angles if one angle is twenty dash nine times the other angle.