A Cognitive Psychologist Conducted a Study of Whether Familiarity of Words

question 11

Essay

A cognitive psychologist conducted a study of whether familiarity of words (X)predicts the time it takes (in seconds)to press a button indicating whether the word is singular or plural (Y),with all participants being given the same words.Familiarity with these words was rated at a later time on a 7-point scale (with higher numbers indicating more familiarity).The participants' scores were: a.Figure the linear prediction rule.
b.Make a graph with the regression line.
c.Figure the standardized regression coefficient.
d.Explain the logic of what you did to someone who is familiar with correlation,but who knows nothing about prediction.Be sure your answer explains the ideas of prediction,linear prediction rule,best linear prediction rule,the regression line,and the standardized regression coefficient.
e.Advanced topic: Figure the proportionate reduction in error using sums of squared errors.
f.Advanced topic: Explain the logic behind how you figured the proportionate reduction in error.

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