Suppose a random sample of 10,000 individuals is asked
to identify their favorite brand of soap...
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Suppose a random sample of 10,000 individuals is askedto identify their favorite brand of soap among ten choices. Thefollowing results from the survey are obtained:
Observed Brand Frequency
A 1200 B 900 C 850 D 1160 E 1020 F 975 G 1100 H 980 I 1035 J 780
Test the hypothesis that the preferences for eachbrand are equal (or uniform). Test this at the 0.05 level.
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4.1 Ratings (718 Votes)
For uniform distribution expected proportion 110 01The following table is obtainedCategoriesObservedExpectedfofe2feA1200100000110001200100021000 40B90010000011000900100021000 10C85010000011000850100021000 225D1160100000110001160100021000
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