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0 117: A claim is made that boys start walking at a younger age thegirls. A random sample of 18 girls started walking at a mean age of 12months with a standard deviation of 0.8 months. A sample of 12 boys haa mean of 12.1 and a standard deviation of 0.7. Test the hypothesis at1% significance level |
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Answer» Answer: 0 117: A claim is made that boys start walking at a younger AGE the girls. A random sample of 18 girls started walking at a mean age of 12 months with a standard DEVIATION of 0.8 months. A sample of 12 boys ha a mean of 12.1 and a standard deviation of 0.7. Test the hypothesis at 1% SIGNIFICANCE level |
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