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A researcher is interested in knowing whether early childhood education has an impact on graduate earnings....

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Statistics

A researcher is interested in knowing whether early childhoodeducation has an impact on graduate earnings. She finds 14published studies that have tested the null hypothesis that thereis no impact. Since the studies were conducted at different timesin different countries, it is reasonable to assume that the samplesare statistically independent.

Assuming that there is in fact no relationship between earlychildhood education and graduate earnings, what is the probabilitythat at least one of the 14 studies will reject the null hypothesisat a 10% significance level?

Answer & Explanation Solved by verified expert
3.9 Ratings (418 Votes)
ANSWER Significance level 10 P She will reject the null hypothesis no relationship is there it is true 10 010 P She will not reject the null hypothesis no    See Answer
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