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Determining the resulting frequency data

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Reference no: EM132083332

A researcher is interested consumer preferences among three brands of smartphones. A sample of 90 people is obtained, and each individual is asked to indicate his/her favorite brand. The resulting frequency data are as follows: 

Brand A- 37

Brand B- 21

Brand C- 32

Do the data indicate any significant preferences among the three brands of smartphones? Test at the .05 level of significance.

-null and alternative hypotheses

-compute Chi2 statistic

-find in the B.7 table & write down a critical value of Chi2 that you've used for the decision about H0

-the conclusion

Reference no: EM132083332

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