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The manager of a frozen yogurt store claims that a medium-size serving contains an average of...

The manager of a frozen yogurt store claims that a medium-size serving contains an average of more than 4 ounces of yogurt. From a random sample of 14 servings, she obtains a mean of 4.31 ounces and a standard deviation of 0.52 ounce. Test, with α = .05, the manager’s claim. Assume that the distribution of weight per serving is normal.

Math   Statistics-And-Probability   
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