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Two-sample t-test
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Questions (54)
A researcher wants to determine if two brands of cigarettes contain the same amount of nicotine. The data is shown in the table.
1 answer
asked by
Jose
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Using the dotplot and the difference in mean distances from the samples, is there convincing evidence that the new golf ball
1 answer
asked anonymously
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It is known that the mean diameters of rivets produced by two firms A and B are 53 [7M and 48 respectively, and the standard
1 answer
asked anonymously
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You conduct a two-sided hypothesis test for the difference between two means based on a matched pairs comparison between two
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Parent Categories (2)
Confidence intervals
Hypothesis Testing
