Solution-Number correct on a word-recognition test

Number correct on a word-recognition test

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Reference no: EM131864674

An r of +.60 was obtained between IQ (X) and number correct on a word-recognition test (Y) in a large sample of adults. For each of the following, indicate whether or not r would be affected, and if so, how (treat each modification as independent of the others):

(a) Y is changed to number of words incorrect.

(b) Each value of IQ is divided by 10.

(d) You randomly add a point to some IQs and subtract a point from others.

(e) Ten points are added to each Y score and each value of X is divided by 10.

(f) Word-recognition scores are converted to z scores.

(g) Only the scores of adults whose IQs exceed 120 are used in calculating r.

Reference no: EM131864674

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Number correct on a word-recognition test

Reference no: EM131864674

Reference no: EM131864674

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