What is the standard deviation of the data set given below? 4, 7, 8, 9, 12
A. 6.8
B. 2.5
c. 18.5
D. 8.5
E. 6.8
F. 22.5

What are the values of each variable in the diagram below?

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83

Adeli owner keeps track of the to-go orders each day. the results from last saturday are shown in the given two-way frequency table. saturday's to-go deli orders in person by phone online total pick up 38 25 31 94 delivery 35 28 34 97 total 73 53 65 191 what percent of the to-go orders were delivery orders placed by phone? a. 14.66% b. 38.41% c. 28.87% d. 52.83%