Find test score of the fifth student and standard deviation
On a test, a sample of 5 students has a mean score of 78. The scores of four students of them are: 87, 81, 76, 53. Find the test score of the fifth student and standard deviation of this sample.
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The range is only 0.5 ounce. Determine the upper and lower control-chart limits for averages for the boxes of cereal.
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Ho: U>= 220 and H1: U<220. In conducting a hypothesis test using a .03 significance level what will be the value of your critical value?
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