Use the contingency table to the right to​ (a) calculate the marginal​ frequencies, and​ (b) find the expected frequency for each cell in the contingency table. Assume that the variables are independent.       Rating       Size of restaurant   Excellent   Fair   Poor     Seats 100 or fewer   183   206   166     Seats over 100   180   316   151         Question content area bottom   Part 1   ​(a) Calculate the marginal frequencies

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
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Use the contingency table to the right to​ (a) calculate the marginal​ frequencies, and​ (b) find the expected frequency for each cell in the contingency table. Assume that the variables are independent.

 

   

Rating

 

 

 

Size of restaurant

 

Excellent

 

Fair

 

Poor

 

 

Seats 100 or fewer

 

183

 

206

 

166

 

 

Seats over 100

 

180

 

316

 

151

 

 

 

 

Question content area bottom

 

Part 1

 

​(a) Calculate the marginal frequencies and sample size.

 

 

Rating

 

 

Size of restaurant

 

Excellent

 

Fair

 

Poor

 

Total

 

Seats 100 or fewer

 

183

 

206

 

166

 

555

 

Seats over 100

 

180

 

316

 

151

 

647

 

Total

 

363

 

522

 

317

 

1202

 

 

Part 2

 

​(b) Find the expected frequency for each cell in the contingency table.

 

 

Rating

 

Size of restaurant

 

Excellent

 

Fair

 

Poor

 

Seats 100 or fewer

 

enter your response here

 

enter your response here

 

enter your response here

 

Seats over 100

 

enter your response here

 

enter your response here

 

enter your response here

 

(Round to two decimal places as​ needed.)

 

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