A law school finds the following relationship between LSAT scores and first-year GPAS: average LSAT score 165, SD 10 average first-year GPA≈ 65, SD≈ 5, ≈ 0.6 The scatter diagram is football-shaped. One of these students is chosen at random, and you are asked to estimate her first-year GPA, without being told her LSAT score. a. What would you estimate for her first-year GPA? Answer: b. What r.m.s. error would you expect for this estimate? i.5 ii. 10 iii. √1-0.6² × 5 iv.√1-0.6² × 10 Choose one: Oi Oii Oiii Oiv. Later you find that the student's LSAT score is 175. a. Now what would you estimate for her first-year GPA? Answer: b. What r.m.s. error would you expect for this estimate? i.5 ii. 10 iii. √1-0.6² x 5 iv.√1-0.6² × 10 Choose one: Oil Oil Oix

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A law school finds the following relationship between LSAT scores and first-year GPAS:
average LSAT score 165, SD≈ 10
average first-year GPA 65, SD≈ 5, ≈ 0.6
The scatter diagram is football-shaped.
One of these students is chosen at random, and you are asked to estimate her first-year GPA, without being told her LSAT score.
a. What would you estimate for her first-year GPA? Answer:
b. What r.m.s. error would you expect for this estimate?
i. 5 ii. 10 iii. √1-0.6² x 5 iv. √1-0.6² × 10
Choose one: Oi Oii O iii
Oiv.
Later you find that the student's LSAT score is 175.
a. Now what would you estimate for her first-year GPA? Answer:
b. What r.m.s. error would you expect for this estimate?
i.5 ii. 10 iii. √1-0.6² x 5
Choose one: OI Oii O iii
iv.√1-0.6² × 10
X
Oiv.
Transcribed Image Text:A law school finds the following relationship between LSAT scores and first-year GPAS: average LSAT score 165, SD≈ 10 average first-year GPA 65, SD≈ 5, ≈ 0.6 The scatter diagram is football-shaped. One of these students is chosen at random, and you are asked to estimate her first-year GPA, without being told her LSAT score. a. What would you estimate for her first-year GPA? Answer: b. What r.m.s. error would you expect for this estimate? i. 5 ii. 10 iii. √1-0.6² x 5 iv. √1-0.6² × 10 Choose one: Oi Oii O iii Oiv. Later you find that the student's LSAT score is 175. a. Now what would you estimate for her first-year GPA? Answer: b. What r.m.s. error would you expect for this estimate? i.5 ii. 10 iii. √1-0.6² x 5 Choose one: OI Oii O iii iv.√1-0.6² × 10 X Oiv.
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