The managers of a brokerage firm are interested in finding out if the number of new clients broker brings into the firm affects the sales generated by the broker. They sample 12 brokers an determine the number of new clients they have enrolled in the last year and their sales amounts i thousands of dollars. These data are partially presented in the table with the following results: SST=1564.2, SSR=1227, E(X-X)² = 979.7 and Ŷ = 17.7+ 1.12X. Broker Clients (X) Sales (Y) 1 2 : 12 27 11 : 22 0.471 to 1.932 he 95% confidence interval estimate for the slope is ...··· to······ 0.856 to 1.636 0.532 to 1.708 52 37 0.707 to 1.533 38
The managers of a brokerage firm are interested in finding out if the number of new clients broker brings into the firm affects the sales generated by the broker. They sample 12 brokers an determine the number of new clients they have enrolled in the last year and their sales amounts i thousands of dollars. These data are partially presented in the table with the following results: SST=1564.2, SSR=1227, E(X-X)² = 979.7 and Ŷ = 17.7+ 1.12X. Broker Clients (X) Sales (Y) 1 2 : 12 27 11 : 22 0.471 to 1.932 he 95% confidence interval estimate for the slope is ...··· to······ 0.856 to 1.636 0.532 to 1.708 52 37 0.707 to 1.533 38
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The managers of a brokerage firm are interested in finding out if the number of new clients a
broker brings into the firm affects the sales generated by the broker. They sample 12 brokers and
determine the number of new clients they have enrolled in the last year and their sales amounts in
thousands of dollars. These data are partially presented in the table with the following results:
SST=1564.2, SSR=1227, E(X₁-X)² = 979.7 and Ŷ = 17.7+ 1.12X.
D
Broker Clients (X) Sales (Y)
1
2
:
12
27
11
:
22
The 95% confidence interval estimate for the slope is
0.471 to 1.932
0.856 to 1.636
0.532 to 1.708
:
0.707 to 1.533
52
37
38
......
to.....
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