i Suppose that 0.1 of people in your town where a mask. Of those who wear a mask 0.6 of them get sick. Of those who do not wear a mask 0.8 of them get sick. If someone gets sick, what is the probability that they wore a mask. Select the closest answer. 0 7.7% O 75.00% 0 43% o 73.00% Big Town Uttl evil Ie House g CM Ag: Sale Price House lug CM Am Sale Price 3 Show 50 300,000 3 Story 10 325,001 2 Show 3 mom 2 Story 15 25010 1 Show 10 mono 1 stem 25 125,000 Total as 247,059 Total 50 195,000 Pleas: rut-ville Steeltown $113121: cam. W m M mm Brick 50 35.000 Brick 50 30,000 Vinyl 25 25,000 Vinyl 25 20,000 Aluminum 10 15,000 Aluminum 10 10,000 Total 85 29,706 Total 85 24,706 Simpson's Paradox... 0 Is occurring in the top table because Big Town's average sale is larger than Littleville's at the detail level but smaller at the aggregate level. 0 Is occurring in the bottom table because Pleasantville' average repair cost is smaller than Steeltown's at the detail level but larger at the aggregate level. 0 Is occurring in the top table because Big Town's average sale is smaller than Littleville's at the detail level but larger at the aggregate level. 0 Is occurring in the bottom table because Pleasantville' average repair cost is larger than Steeltown's at the detail level but smaller at the aggregate level. Question 4 A set of test scores is normally distributed with a mean of 10 and a standard deviation of 2 What percent of test takers will score 14 or above? Select the closest answer 0 841696 0 97.7% 0 2.3% O 80% Suppose we are studying the selling price [in thousands) of all the cars sold at a dealership. A] We take a sample of 16 prices of cars. Their prices were: 13, 19, 27, 70, 56, 43, 63, 35, 48, 67, 45, 34, 3'0, 46, 19,.... B] The price of all the cars are: 22, 45, 18, 19, 67, 27, 70, 56, 24, 43, 68, 35, 54, 4B, 67, 70, 45, 34, 70, 34, 46, 68, 19,.... C] We compute the average for a sample 16 prices and repeat this process 49 times. Those averages were: 45.3, 39.5, 55.2, 48.1, The average selling price of all cars is 40 and the standard deviation if 16. According to the Central Limit Theorem (and only the Central Limit Theorem) what will be the shape, center (mean) and standard deviation of the sampling distribution, in that order? 0 Bell, 40, 161'? 0 Bell, 40, 1 0 Bell, 40, 4 0 Bell, 40, 15149 Suppose we are studying the value of a customer. A) We take a sample of 49 customers. Their values were: 19, 14, 12, 7, 0, 4, 2, 18, 6, 3, 11, 8,... B) We compute the average for a sample 49 customers and repeat this process 25 times. Those averages were: 12.3, 11.8, 13.8, 13.1, 12.9, 13.3, ... C) The values of all the customers are: 3, 7, 18, 17, 19, 16, 14, 13, 12, 7, 10, 0, 4, 19, 2, 19, 18, 6, 3, 11, 8,.......... Which of these is the Population distribution, sample distribution and sampling distribution [in that order]? O A, B,C O C,B,A O B,C,A O C,A, BA set of test scores is normally distributed with a mean of 400 and a standard deviation of 100. What percent of test takers will score less than 300'? Select the closest answer 0 80% O 84.1% 0 15.9% 0 -25% Question 8 Going from left to right, the plot below shows Residuals By X 6 4 2 Residuals 0 1 2 3 4 5 6 7 8 2 6 Independent Variable O Heteroscedasticity O Under-prediction and then over-prediction O Over-prediction and then under-predictionSuppose that 0.1 of people in your town where a mask. or those who wear a mask 0.5 of them get sick. Of those who do not wear a mask 0.8 of them get sick. What is the probability that someone gets sick? 0 130% O 77.00% 0 140% 0 13.00%