Regression Case Study
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Transcript of Regression Case Study
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8/17/2019 Regression Case Study
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MRP Biscuits – Regression Case
Answers
1. Multiple regression was run through SPSS and the results of it in the form of tables have been
shown below named after their significance level. !".1 "."# "."1$
Multiple Regression anal%sis
At ".1 & significance level
SPSS 'utput
Regression ()uation of Preference
Preference * ".+,- / ".-0+2utrition 3alue / ".1+"#4aste / ".#05-Preservation 6ualit%
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At "."# & significance level
SPSS 'utput
Regression ()uation of Preference
Preference * ".+,- / ".-0+2utrition 3alue / ".1+"#4aste / ".#05-Preservation 6ualit%
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At "."1 & significance level
SPSS 'utput
Regression ()uation of Preference
Preference * ".+,- / ".-0+2utrition 3alue / ".1+"#4aste / ".#05-Preservation 6ualit%
-. Regression results are as follows7
Regression Statistics
Multiple R 0.9275
R Square 0.8603
Adjusted R Square 0.8486
Standard Error 0.6992
Oser!ations 40
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,. 4he Partial Regression Coefficients are
Preference * ".+,- / ".-0+2utrition 3alue / ".1+"#4aste / ".#05-Preservation 6ualit%
8nterpretation
"ro# t$e ao!e re%ression equation &e 'an in(er t$at)
• *it$ e!er+ ,- in'rease in nutrition !alue o( t$e is'uit t$ere &ill e 0.2947- '$an%e in t$e
pre(eren'e o( t$e 'usto#er.
• Also i( &e in'rease t$e taste o( t$e is'uit + ,- t$ere &ill e 0.,705- '$an%e in t$e pre(eren'e
o( t$e 'usto#er &$ile u+in%.
• Si#ilarl+ (or e!er+ ,- in'rease in preser!ation qualit+ t$ere &ill e a 0.5482- '$an%e in t$e
pre(eren'e.
0. Overall signifcance o the regression using Anova table,
Interpretation
The p-value i.e., f-signicant value obtained from the results is 0, which is lesserthan our alpha value (0
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! At "5% #onfdence interval, or $eta #oecients are shown in the tablebelow
&! !s a mar"eting manager of #$% biscuit compan&, to improve the mar"etabilit& of the biscuit brand, ' would spend more mone& on preservation ualit& of the biscuits
because the coecient of preservation ualit& (0.*++) is much higher than theother two attributes i.e. nutrition value (0.50) and taste (0.*/). 1ence there willbe a greater e2ect on the preference and bu&ing behavior of the consumer for thebiscuits with respect to the changes in preservation ualit&.