Statistics learning from data 1st edition roxy peck solutions manual

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2.34: (a)

Relative Frequency (as a percent)

16 14 12 10 8 6 4 2 0

200 250 300 350 400 450 500 550 600 650 700 750 800 Male SAT Scores

(b)

Relative Frequency (as a percent)

18 16 14 12 10 8 6 4 2 0

200 250 300 350 400 450 500 550 600 650 700 750 800 Female SAT Scores

(c) The distribution of male SAT scores is approximately symmetric, centered at approximately 450-500. The distribution of female SAT scores differs in that it is negatively skewed and centered at a higher value, approximately 500-550. Both distributions range between the same values (200 to 800).

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