A group of ten people were selected and given a standard IQ test. These scores were then
Question:
A group of ten people were selected and given a standard IQ test. These scores were then compared with their high school grades.
Find \(r\) and determine whether it is statistically significant at the \(1 \%\) level.
Transcribed Image Text:
IQ GPA 117 105 111 96 135 81 103 99 107 109 2.8 2.5 2.8 3.4 1.9 2.1 3.2 2.9 2.3 3.1 2.8 2.5
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To find the Pearson correlation coefficient r between the IQ scores and the GPA of the ten individuals we can use the formula r fracnsum XY sum Xsum Ysqrtnsum X2 sum X2nsum Y2 sum Y2 Where n is the nu...View the full answer
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