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Chi-Squared for association Instructions: Perform the appropriate hypothesis test to answer the question presented. Use the basic steps for...

Chi-Squared for association



Instructions: Perform the appropriate hypothesis test to answer the question presented. Use the basic steps for hypothesis testing.


The Titanic had 1,316 passengers (not considering the crew) aboard on the night of April14, 1912 when it hit an iceberg in the North Atlantic Ocean. Below is a table of the number of survivors and deaths for the passengers according to the class of ticket that the passenger held (first, second, third). Are the Passenger Class and Survival associated? Use level of significance 0.05.




1st class / 2nd class / 3rd class / Total



Survived: 202 118 178





Death: 123 116 528



Total:











Step 1:


Step 2:



Step 3:



Step 4:

Top Answer

Step 1: Stating the hypothesis Ho:  Passenger Class and Survival are not associated Ha:  Passenger Class and Survival... View the full answer

chisquare.jpg

Survived Observed Death Total 1st Class 2nd class 3rd class Total 433
Expected 430.00
O — E 0.00
O — E ' I E 85.0?
Observed TIE-T
Expected T0100
O — E 0.00
[O — E111;r E 35.33
Observed...

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Other Answers

We conclude that the... View the full answer

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