According to a 2010 nielsen survey the mean number of apps, Ask an Expert

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According to a 2010 Nielsen survey, the mean number of apps downloaded by iphone users is 40. Suppose a sample of 36 iphone users downloaded an average of 45 apps, with a sample standard deviation of 24. Test whether the mean population of apps is greater than 40, using a level of significance of 0.10. Use the six step approach to hypothesis testing.

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Category:- Statistics and Probability
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