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1. A random sample of 25 elementary school children was tested on the Stanford-Binet, yielding a sample mean mental-age of 6.25 years with a sample

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1. A random sample of 25 elementary school children was tested on the Stanford-Binet, yielding a sample mean mental-age of 6.25 years with a sample SD of .88. On the basis of this information, estimate whether the hypothesized mental-age mean of the popula- tion from which these children were drawn could indeed be 6.00 years. Test Ho at the 05 level

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