Chapter 11.4, Problem 15E

To determine

To organize and create a two-way table.

Answer to Problem 15E

French
		Yes	No	Total
Spanish	Yes	45	64	109
	No	54	82	136
	Total	99	146	245

Explanation of Solution

Given information :

The given data can be mapped in a two-way table:

French
		Yes	No	Total
Spanish	Yes	45		109
	No		82
	Total			245

On analyzing the given two-way table.

French
		Yes	No	Total
Spanish	Yes	45	64	109
	No	54	82	136
	Total	99	146	245

Use the concepts of addition and subtraction to compute the missing joint frequencies and the marginal frequencies to complete the table.

For instance, joint frequency for students who opted for Spanish can be obtained by

  $109-45=64$ .