Mathematics, 26.02.2020 05:55 swaggaming941

These 31 girls are an SRS of all seventh-grade girls in the school district. Suppose that the standard deviation of IQ scores in this population is known to be σ = 15. We expect the distribution of IQ scores to be close to Normal. Estimate the mean IQ score for all seventh-grade girls in the school district, using a 98% confidence interval.

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These 31 girls are an SRS of all seventh-grade girls in the school district. Suppose that the standa...

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