At a hypothetical university, the plot of first and secondyear GPA\'s is footbal

Question

At a hypothetical university, the plot of first and secondyear GPA's is football shaped, and the correlation is 0.5 . What percentile would you predict for the second year GPA of astudent who had a first year GPA at the 89th percentile? Do youneed the means and SDs of the GPA's to answer this question? Please help due Monday 2/23 At a hypothetical university, the plot of first and secondyear GPA's is football shaped, and the correlation is 0.5 . What percentile would you predict for the second year GPA of astudent who had a first year GPA at the 89th percentile? Do youneed the means and SDs of the GPA's to answer this question? Please help due Monday 2/23

Explanation / Answer

Given that At a hypothetical university, theplot of first and second year GPA's is football shaped, and thecorrelation is 0.5(r) i.e., the percentage of variation isr2 = (0.5)2 =0.25 Without the values of means and SDs of theGPA's we cannot find out the percentile would you predict for thesecond year GPA of a student who had a first year GPA at the 89thpercentile

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