Mathematics, 09.08.2019 19:30 chrismeldajbaptiste
Just before a referendum on a school budget, a local newspaper polls 402 voters to predict whether the budget will pass. suppose the budget has the support of 52% of the voters. what is the probability that the newspaper's sample will lead it to predict defeat?
Answers: 3
Mathematics, 21.06.2019 21:50, quennnshyan7276
Which graph depicts the path of a projectile
Answers: 1
Mathematics, 22.06.2019 01:00, stjuliendeja
What is the value of the discriminant, b2 ? 4ac, for the quadratic equation 0 = x2 ? 4x + 5, and what does it mean about the number of real solutions the equation has?
Answers: 3
Mathematics, 22.06.2019 02:00, mathhelppls14
1. the manager of collins import autos believes the number of cars sold in a day (q) depends on two factors: (1) the number of hours the dealership is open (h) and (2) the number of salespersons working that day (s). after collecting data for two months (53 days), the manager estimates the following log-linear model: q 4 equation 1 a. explain, how to transform the log-linear model into linear form that can be estimated using multiple regression analysis. the computer output for the multiple regression analysis is shown below: q4 table b. how do you interpret coefficients b and c? if the dealership increases the number of salespersons by 20%, what will be the percentage increase in daily sales? c. test the overall model for statistical significance at the 5% significance level. d. what percent of the total variation in daily auto sales is explained by this equation? what could you suggest to increase this percentage? e. test the intercept for statistical significance at the 5% level of significance. if h and s both equal 0, are sales expected to be 0? explain why or why not? f. test the estimated coefficient b for statistical significance. if the dealership decreases its hours of operation by 10%, what is the expected impact on daily sales?
Answers: 2
Just before a referendum on a school budget, a local newspaper polls 402 voters to predict whether t...
Mathematics, 28.08.2019 00:10
Mathematics, 28.08.2019 00:10
English, 28.08.2019 00:20