Use the Following to Answer the Question(s) Below

Multiple Choice

Use the following to answer the question(s) below.
Chris Columbus is responsible for controlling inventory levels for four types of sailboats sold by his company. Chris takes a sample of 48 boats sold over the past several months to determine if demand is the same for each type. His results are as follows:

-The calculated value of the Chi-square statistic is

A) 7.815.
B) 1.17.
C) 22.35.
D) -1.17.
E) 12.56.