Statıstıcs Iı Deneme Sınavı Sorusu #1016965
The weight variable is ? = 25. It is known that the distribution of the weights of the packages follow a normal distribution. A sample of 32 observations is randomly selected from the production line in the afternoon and the sample average is found as of 448 grams.
What should be alternate hyphothesis in this situation?
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The mean weight of the packages is less than 448 grams. |
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The mean weight of the packages is less than 450 grams |
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The mean weight of the packages is equal to 448 grams. |
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The mean weight of the packages is equal to 450 grams. |
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The mean weight of the packages is more than 448 grams. |
The null hypothesis (H0 ) is “the mean weight of the packages is 450 grams” and the alternative hypothesis (H1 ) is “the mean weight of the packages is less than 450 grams”. The correct answer is B.
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