Posts Tagged ‘Writer States’

How do I find the null and the hypothesis?

Thursday, August 27, 2009 16:39 2 Comments

mathretarded asked: In an article appearing in Today’s Health a writer states that the average number of calories in a serving of popcorn is 75. To determine if the average number of calories in a serving of popcorn is different from 75, a nutritionist selected a random sample of 20 servings of popcorn and [...]

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