Marketers asked 100 new Juul users about their frequency of use and found 28% used it...
Marketers asked 100 new Juul users about their frequency of use and found 28% used it once a week or less, 59% used it once a day, and 23% used it more often. 6 months later the same sample of 100 found 8 used it only once a week, 30 used it once a day and 62 used it more often.
Marketers want to know if frequency of use has changed among users after 6 months.
What is the correct Hypothesis?
Ho; Pa=28%;Pb=59%; Pc=23%; Usage has not changed from previous levels
Ho: Pa=Pb=Pc; Usage is equally distributed across categories.
Ho: There is no association between Juul use and day of the week.
Homework Answers
Solution :
From given that ,
The correct Hypothesis is ,
Ho; Pa=28%;Pb=59%; Pc=23%; Usage has not changed from previous levels
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