STATISTICAL TECHNIQUES AND TOOLS
TESTS OF SIGNIFICANCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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White blood cell counts are normally distributed with mean 7500 and variance 500. If a patient has taken 50 laboratory blood tests that have a mean of 6899.75 and a standard deviation of 393.44, does this give evidence that his white blood cell count is significantly different than normal?
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One-Sample T Test for a Mean
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One-Sample Z Test for a Proportion
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One-Sample Z Test for a Mean
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One-Sample T Test for a Proportion
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Explanation:
Detailed explanation-1: -The blood differential test measures the percentage of each type of white blood cell (WBC) that you have in your blood. It also reveals if there are any abnormal or immature cells. Blood transports oxygen and nutrients to body tissues and returns waste and carbon dioxide.
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