Find the z-value for this approach

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Reference no: EM131383848

Survival on the Titanic, one more time. In Exercise 38 you could have checked for a difference in the chances of survival for men and women using two-proportion z procedures.

a) Find the z-value for this approach.

b) Show that the square of your calculated value of z is the value of you calculated in Exercise 38.

c) Show that the resulting P-values are the same.

Exercise 38

Titanic, redux. Newspaper headlines at the time, and traditional wisdom in the succeeding decades, have held that women and children escaped the Titanic in greater proportions than men. Here's a table with the relevant data. Do you think that survival was independent of whether the person was male or female? Explain.

Reference no: EM131383848

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