Question

At a major credit card bark, the percentages of people who storically apply for the Silver, Gold and Platinum cards are 60% 30% and 10% respectively in a recent sample of to a promotion of 200 customers, 100 applied for Silver, 61 for Gold and 39 for Platinum Complete parts a through e below a) Compute the standardized residual for each type of card. Standardized Residual Silver card Gold card DOO Platinum card Round to three decimal places as needed.) b) Are any of the standardized residuals particularly large? (Compared to what? Each standardized residual should be viewed as a to determine if it is large Select the cards that have particularly large standardized residuals Select all that apply Click to select your answers)

Answer 1

From the given infimation observed (o) sliver Cold customers 100 Gl platinum 39. Here n=200 calculate the et pected values Expected (6) sliver Grold customers 200X060°l 200X 30% Platinum 200 100% 8 z 120 Calculate the standardized residuals. standaosilizer creditcards observedco) Expected(e) Redidealoty Redsidcalie) > O-E Siquer 20.48257 V120 Gold 61 66 206154 166 platinum 39 20 19 19 24724897 20