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Task 1Day RevenueOccupiedPART I TASKS:A suburban hotel
derives its revenue from its hotel and restaurant operations. The
owners are interested in the relationship between the number of
rooms occupied on a nightly basis and the revenue per day in
the restaurant. The dataset is a sample of 25 days (Monday
through Thursday) from last year showing the restaurant income
and the number of rooms occupied.
114523221361203142621414702551456261) Does the revenue
seem to increase as the number of occupied rooms increases?
Draw a scatter diagram to support your conclusion.61430235
points71354202) Determine the correlation coefficient between
the two variables. Interpret the value. 81442395
points91394153) Is it reasonable to conclude that there is a
positive relationship between revenue and occupied rooms? Use
the .10 significance level. 101459505 points111399414) What
percent of the variation in revenue in the restaurant is accounted
for by the number of rooms occupied? 121458355
points1315374114142531151445511614 39621713484518145041
19143162201446472114854322140538231461362414906025142
665
Task 2CustomerAmount of Tip ($)Amount of Bill
($)DinersPART II TASKS:The Cronch Café, located at the Gulf
of Mexico, has an increase in business during the summer
vacation season. The owner hires a large number of servers as
seasonal help. When he interviews a prospective server, he
would like to provide data on the amount a server can earn in
tips. He believes that the amount of the bill and the number of
diners are both related to the amount of the tip. He gathered this
sample
information.15.1574.5224.528.2343110.65142.419.8235528.623
1) Develop a multiple regression model with the amount of tips
as the dependent variable and the amount of the bill and the
amount of diners as independent variables. (5 points) Write out
the regression equation. (4 points) How much does another
diner add to the amount of the tips? (3 points)64.2524.83212
points70.56.2518649.249543.2632) Conduct a global test of
hypothesis to determine if at least one of the independent
variables is significant. (4 points) What is your conclusion? (4
points)8
points104.6562.231115.684.81112634.99313433.914143.3523.0
62150.754.651163.323.592173.522.32183.25322195.450.024202
.2517.63214.3563.16622320.272231.2519.532243.2527.0332532
1.282266.2543.384275.628.124282.526.252296.8553.087308.68
7.858

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Task 1 day revenueoccupiedpart i tasksa suburban hotel derives its

  • 1. Task 1Day RevenueOccupiedPART I TASKS:A suburban hotel derives its revenue from its hotel and restaurant operations. The owners are interested in the relationship between the number of rooms occupied on a nightly basis and the revenue per day in the restaurant. The dataset is a sample of 25 days (Monday through Thursday) from last year showing the restaurant income and the number of rooms occupied. 114523221361203142621414702551456261) Does the revenue seem to increase as the number of occupied rooms increases? Draw a scatter diagram to support your conclusion.61430235 points71354202) Determine the correlation coefficient between the two variables. Interpret the value. 81442395 points91394153) Is it reasonable to conclude that there is a positive relationship between revenue and occupied rooms? Use the .10 significance level. 101459505 points111399414) What percent of the variation in revenue in the restaurant is accounted for by the number of rooms occupied? 121458355 points1315374114142531151445511614 39621713484518145041 19143162201446472114854322140538231461362414906025142 665 Task 2CustomerAmount of Tip ($)Amount of Bill ($)DinersPART II TASKS:The Cronch Café, located at the Gulf of Mexico, has an increase in business during the summer vacation season. The owner hires a large number of servers as seasonal help. When he interviews a prospective server, he would like to provide data on the amount a server can earn in tips. He believes that the amount of the bill and the number of diners are both related to the amount of the tip. He gathered this sample information.15.1574.5224.528.2343110.65142.419.8235528.623 1) Develop a multiple regression model with the amount of tips as the dependent variable and the amount of the bill and the amount of diners as independent variables. (5 points) Write out the regression equation. (4 points) How much does another
  • 2. diner add to the amount of the tips? (3 points)64.2524.83212 points70.56.2518649.249543.2632) Conduct a global test of hypothesis to determine if at least one of the independent variables is significant. (4 points) What is your conclusion? (4 points)8 points104.6562.231115.684.81112634.99313433.914143.3523.0 62150.754.651163.323.592173.522.32183.25322195.450.024202 .2517.63214.3563.16622320.272231.2519.532243.2527.0332532 1.282266.2543.384275.628.124282.526.252296.8553.087308.68 7.858