Question

The GOAT. Let's College GPA Calc. Chapter 3, Sectio... Lock, Statistics: Unlocking the Power of Data, 2e ORION Downloadable eTextbook Assignment Gradebook ment Chapter 7, Section 2, Exercise 031 Find the expected count and the contribution to the chi-square statistic for the (Group 1, Yes) cell in the two-way table below Yes No Total Group 1 42 98 56 136 65 201 Group 2 Group 3 65 24 89 Total 257 131 388 Round your answer for the excepted count to one decimal place, and your answer for the contribution to the chi-square statistic to three decimal places Expected count contribution to the chi-square statistical By accessing this question Assistance, you will learn while you earn points based on the Point Potential Policy set by your instructor Question Attempts: Unlimited P2000-2020 cho Wins All Reserved. A Division of Inc. D Search Default Search 7 8 E Н.

Answer 1

Observed Values: C1 R1 56 R2 136 R3 65 Column Total 257 C2 42 65 24 131 Row Total 98 201 89 388 Expected Values = [(Row total x Column total)/Grand total] C1 C2 R1 64.9124 33.0876 R2 133.137 67.8634 R3 58.951 30.049

0 56 136 65 42 65 24 E 64.9 133.1 59.0 33.1 67.9 30.0 Total (O-E)?/E 1.224 0.062 0.621 2.401 0.121 1.218 5.645 ~*=£(0-2) 5.6450 E

Ans:

64.9

1.224