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Mathematics, 06.04.2020 03:25 gabbymcdermid

A random sample of 25 elementary school children was tested on the Standford-Binet, yielding a mean age of 6.25 years with a standard deviation of 0.88. Test the hypothesis that this sample could represent a population whose mean is 6.00 years (set α=.05 level)

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A random sample of 25 elementary school children was tested on the Standford-Binet, yielding a mean...
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