A software company wants to determine whether there is a relationship between their three sales offices and the sales of their software products. The actual sales results are
Product A Product B Product C
Office 1 18 8 24
Office 2 15 22 13
Office 3 21 16 63
Under the null hypothesis, what is the expected number of Product A that would be sold by Office 2?
A) 27.00
B) 10.80
C) 13.50
D) 18.00
A contingency table is made up of 8 rows and 4 columns. How many degrees of freedom are present?
A) 24
B) 21
C) 28
D) 32