A researcher studying the relation of length of court trials to length of time for juries to come to a decision reports the following results for the first four trials considered.
M = 8.75 SD = 6.83 M = 7.5 SD = 2.96 r = .91
a. Give the Z score prediction formula for predicting length of jury deliberation from length of trial.
b. Predict the hours of deliberation for a jury where the trial lasted for 10 days.
c. Explain what you have done to a person who is familiar with correlation but not with regression.

Question

A researcher studying the relation of length of court trials to length of time for juries to come to a decision reports the following results for the first four trials considered.
  M = 8.75 SD = 6.83 M = 7.5 SD = 2.96 r = .91
a. Give the Z score prediction formula for predicting length of jury deliberation from length of trial.
b. Predict the hours of deliberation for a jury where the trial lasted for 10 days.
c. Explain what you have done to a person who is familiar with correlation but not with regression.

Quizplus · Accepted Answer

The Answer of A researcher studying the relation of length of court trials to length of time for juries to come to a decision reports the following results for the first four trials considered.
  M = 8.75 SD = 6.83 M = 7.5 SD = 2.96 r = .91
a. Give the Z score prediction formula for predicting length of jury deliberation from length of trial.
b. Predict the hours of deliberation for a jury where the trial lasted for 10 days.
c. Explain what you have done to a person who is familiar with correlation but not with regression.

A Researcher Studying the Relation of Length of Court Trials