Tall Grande Venti 12 oz 16 oz 20 oz

$3.75 $4.45 $4.75

Show Your Work $4.4516 oz= x1 oz $4.7520 oz= x1 oz

÷16 ÷20

$3.7512 oz= x1 oz

÷12 x= $71.2 x =$95

X =$45

PART A

Which size is the better unit price? ___tall

PART B

Use what you know about unit rates to EXPLAIN how you determined your answer.

Use words, numbers, and/or symbols in your explanation.

The Garcia family took a four-day road trip and kept a journal of their travels

Day

Sunday

Monday

Tuesday

Wednesday

Miles traveled

300 miles

200 miles

150 miles

250 miles

Hours traveled

5 hours

3 hours

2.5 hours

6 hours
On which day did they average the greatest miles per hour?
Show your work.

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?