Mathematics, 15.10.2019 02:00, magalya01
Aplumber charges a $45 fee to make a house call and then $25 for each hour of labor. the plumber uses an equation in the form y = mx + b to determine the amount to charge each customer. what is the value of m in the equation?
Answers: 1
Mathematics, 21.06.2019 18:50, casianogabriel2004
Which expression shows the sum of the polynomials with like terms grouped together
Answers: 2
Mathematics, 21.06.2019 22:30, wednesdayA
Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?
Answers: 1
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
Aplumber charges a $45 fee to make a house call and then $25 for each hour of labor. the plumber use...
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