QUESTION 1 The sale prices of houses in a local community have an average of $210,000 and a median of $135,000. This means half of the houses are priced under $135,000. This means that there are a few really low-priced houses because the mean is so low. This means half of the houses are priced over $210,000. If you are buying a house in this community, you will pay $210,000 for the house. QUESTION 2 A production line is manufacturing ball bearings for engines. A particular run of bearings is supposed to have a diameter of 2". The average of the run is 2". Which one of the following standard deviations would indicate the best production? 0001" .001" 01" 0.1" QUESTION 3 When comparing regression models, the R2 with the value closest to 1 is usually best. True: False

The top 6 companies and the amount each spent on advertising in billions of dollars are as follows: Company At&T Advertising ($ billions) 3.5 Verizon Procter & Gamble L'Oreal Comcast Ford 2.4 4.1 2.1 3.7 2.7 Find the interquartile range for advertising (in $ billions). O a. 2.000 O b. None of the answers is correct OC. 1.475 Od. 1.825 O e. 1.350

The median annual income for someone who has an Associates Degree is $31,936. The median annual income for someone with a high school degree is $26,123. Based on the median income, how much more would someone with an associate's degree earn than someone with a high school degree over 40 years?

A school superintendent wanted to know whether there were differences between the high schools in her district with regards to the proportion of students who do not live with their biological parents.   She surveyed 200 students from each of the two high schools – East and West.   The proportion of students from the survey at East who do not live with their biological parents is 3.4%. The proportion of students from the survey at East who do not live with their biological parents is 4.2%. Using a 95% confidence interval (2SD or Theory based), can the superintendent conclude that there is a difference between East and West with respect to the proportion of students who do not live with their biological parents. Group of answer choices Yes she can conclude there is a difference because the confidence intervals overlap. No she cannot conclude there is a difference because the confidence intervals overlap. Yes she can conclude there is a difference because the confidence intervals don’t…