Statistics for Management and Economics (Book Only)
11th Edition
ISBN: 9781337296946
Author: Gerald Keller
Publisher: Cengage Learning
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Chapter 20.3, Problem 22E
To determine
Average seasonal index.
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Students have asked these similar questions
The following data relate the sales figures of restaurant, to the number of customers registered that week:
Week
Customers
Sales (SR)
First
16
330
Second
12
270
Third
18
380
Fourth
14
300
a) Perform a linear regression that relates bar sales to guests (not to time).
b) If the forecast is for 20 guests next week, what are the sales expected to be?
You estimated a regression with the following output.
Source | SS df MS Number of obs = 223
-------------+---------------------------------- F(1, 221) = 17592.99
Model | 182392130 1 182392130 Prob > F = 0.0000
Residual | 2291176.96 221 10367.3166 R-squared = 0.9876
-------------+---------------------------------- Adj R-squared = 0.9875
Total | 184683307 222 831906.786 Root MSE = 101.82
------------------------------------------------------------------------------
Y | Coef. Std. Err. t P>|t| [95% Conf. Interval]
-------------+----------------------------------------------------------------
X | 11.97037 .0902481 132.64 0.000 11.79252 12.14823
_cons | 74.40159 10.96696 6.78 0.000 52.78839 96.01479…
a simple linear regression equation shows the relationship between-
Chapter 20 Solutions
Statistics for Management and Economics (Book Only)
Ch. 20.2 - Prob. 1ECh. 20.2 - Prob. 2ECh. 20.2 - Prob. 3ECh. 20.2 - Prob. 4ECh. 20.2 - Prob. 5ECh. 20.2 - Prob. 6ECh. 20.2 - Prob. 7ECh. 20.2 - Prob. 8ECh. 20.2 - Prob. 9ECh. 20.2 - Prob. 10E
Ch. 20.2 - Prob. 11ECh. 20.2 - Prob. 12ECh. 20.2 - Prob. 13ECh. 20.2 - Prob. 14ECh. 20.2 - Prob. 15ECh. 20.2 - Prob. 16ECh. 20.2 - Prob. 17ECh. 20.3 - Prob. 18ECh. 20.3 - Prob. 19ECh. 20.3 - Prob. 20ECh. 20.3 - Prob. 21ECh. 20.3 - Prob. 22ECh. 20.3 - Prob. 23ECh. 20.3 - Prob. 24ECh. 20.3 - Prob. 25ECh. 20.3 - Prob. 26ECh. 20.3 - Prob. 27ECh. 20.3 - Prob. 28ECh. 20.3 - Xr20-29 A manufacturer of ski equipment is in the...Ch. 20.4 - Prob. 30ECh. 20.4 - Prob. 31ECh. 20.4 - Prob. 32ECh. 20.4 - Prob. 33ECh. 20.5 - Prob. 34ECh. 20.5 - Prob. 35ECh. 20.5 - Prob. 36ECh. 20.5 - Prob. 37ECh. 20.5 - Prob. 38ECh. 20.5 - Prob. 39ECh. 20.5 - Prob. 40ECh. 20.5 - Prob. 41ECh. 20.5 - Prob. 42ECh. 20.5 - Prob. 43ECh. 20.5 - Prob. 44ECh. 20.5 - Prob. 45ECh. 20.5 - Prob. 46ECh. 20.5 - Prob. 47ECh. 20.5 - Prob. 48ECh. 20.5 - Prob. 49ECh. 20.5 - Prob. 50ECh. 20.5 - Prob. 51ECh. 20.5 - Prob. 52E
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