Herbert Hoover’s economic policies leading up to and during…

Herbert Hoover’s economic policies leading up to and during the Great Depression left something to be desired according the many American citizens. What was the name of the legislation he passed which raised already high rates, and continued to choke the domestic economy?

An ER doctor would like to know whether the proportion of ca…

An ER doctor would like to know whether the proportion of car accidents is even across the days of the week.  She counts how many car accidents occur for a few weeks and what day of the week it was.  Based on the data below, what would be the p-value for the test? Sunday Monday Tuesday Wednesday Thursday Friday Saturday 76 58 54 39 50 61 75

Two statisticians have been arguing about the best way to us…

Two statisticians have been arguing about the best way to use this data set.   Statistician A: Just use speed, lights, time, and blinker. Statistician B: Yes use all those, but include speed^2 and an interaction between lights and time.   Compare the two models (call it ModelA and ModelB) and perform a likelihood ratio test for H0: ModelA = ModelB The Chi-squared statistic would be The p-value would be Which means which leads us to conclude