Mathematics, 31.12.2019 02:31, elondamason
Jason believes that the sales of coffee at his coffee shop depend upon the weather. he has taken a sample of 6 days. below you are given the results of the sample.
cups of coffee sold temperature
350 50
200 60
210 70
100 80
60 90
40 100
a. which variable is the dependent variable?
b. develop a scatter diagram and explain what it shows regarding the relationship between sales and temperature.
c. compute and interpret the least squares estimated line.
d. intepret the coeeficient of determination between temperature and the sales of coffee.
e. is there a significant relationship between the sales of coffee and temperature? use a .05 level of significance. be sure to state the null and alternative hypotheses.
f. predict sales of a 90 degree day.
g. develop a 95% confidence interval for predicting the average sales of a 90 degree day.
h. how would a 95% prediction interval for an individual value of cups sold on a 90 degree day compare with your results in part "g".
Answers: 2
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 14:30, Thejollyhellhound20
30 points and i will give brainliest the club will base its decision about whether to increase the budget for the indoor rock climbing facility on the analysis of its usage. the decision to increase the budget will depend on whether members are using the indoor facility at least two times a week. use the best measure of center for both data sets to determine whether the club should increase the budget. assume there are four weeks in a month. if you think the data is inconclusive, explain why.
Answers: 3
Mathematics, 21.06.2019 18:30, gthif13211
1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation
Answers: 1
Do you know the correct answer?
Jason believes that the sales of coffee at his coffee shop depend upon the weather. he has taken a s...
Questions in other subjects:
Mathematics, 26.06.2020 22:01
