d-3. Interpret the regression coefficient. (Round your answer to 4 decimal places.) e. Predict the tip based on a bill amount of $100. (Round your answer to 3 decimal places.)
d-3. Interpret the regression coefficient. (Round your answer to 4 decimal places.) e. Predict the tip based on a bill amount of $100. (Round your answer to 3 decimal places.)
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter3: Solving Equation And Problems
Section3.6: Problem Solving: Using Charts
Problem 2OE
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Question
The Conch Café, located in Gulf Shores, Alabama, features casual lunches with a great view of the Gulf of Mexico. To accommodate the increase in business during the summer vacation season, Fuzzy Conch, 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 the following sample information.
Customer | Amount of Tip | Amount of Bill | Number of Diners | Customer | Amount of Tip | Amount of Bill | Number of Diners | |||||||||
1 | $ | 7.00 | $ | 48.97 | 5 | 16 | $ | 3.30 | $ | 23.59 | 2 | |||||
2 | 4.50 | 28.23 | 4 | 17 | 3.50 | 22.30 | 2 | |||||||||
3 | 1.00 | 10.65 | 1 | 18 | 3.25 | 32.00 | 2 | |||||||||
4 | 2.40 | 19.82 | 3 | 19 | 5.40 | 50.02 | 4 | |||||||||
5 | 5.00 | 28.62 | 3 | 20 | 2.25 | 17.60 | 3 | |||||||||
6 | 4.25 | 24.83 | 2 | 21 | 5.50 | 44.47 | 4 | |||||||||
7 | 0.50 | 6.24 | 1 | 22 | 3.00 | 20.27 | 2 | |||||||||
8 | 6.00 | 49.20 | 4 | 23 | 1.25 | 19.53 | 2 | |||||||||
9 | 5.00 | 43.26 | 3 | 24 | 3.25 | 27.03 | 3 | |||||||||
10 | 4.75 | 31.36 | 4 | 25 | 3.00 | 21.28 | 2 | |||||||||
11 | 5.25 | 32.87 | 4 | 26 | 6.25 | 43.38 | 4 | |||||||||
12 | 6.00 | 34.99 | 3 | 27 | 5.60 | 28.12 | 4 | |||||||||
13 | 4.00 | 33.91 | 4 | 28 | 2.50 | 26.25 | 2 | |||||||||
14 | 3.35 | 23.06 | 2 | 29 | 9.25 | 56.81 | 5 | |||||||||
15 | 0.75 | 4.65 | 1 | 30 | 8.25 | 50.65 | 5 | |||||||||
d-3. Interpret the regression coefficient. (Round your answer to 4 decimal places.)
e. Predict the tip based on a bill amount of $100. (Round your answer to 3 decimal places.)
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