Question

2) Index of brightness of 50 boys and 50 girls gave following values:

Mean. SE
Boys 91.2 5.23



Girls 90.8 4.41

Find 95% confidence limits of mean index of brightness in population Of both.​

Answer 1

Answer:

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SE Boys 91.2 5.23. Girls 90.8 4.41. Find 95% confidence limits of mean index of brightness in population Of both