Question
Using a program like Microsoft Excel, Google Charts, or an equivalent chart building program and the following data,make predictionsabout correlationdata. Here are the data. Note:
Using a program like Microsoft Excel, Google Charts, or an equivalent chart building program and the following data,make predictionsabout correlationdata. Here are the data. Note: The following data are fictitiousand can lead to wild looking answers.
Korrahas established the correlation coefficient for a set of data that compares IQ scores and athleticism. She wants to predict scores on athleticismtests by knowing the IQ. The correlation coefficient r = .67.
XY
IQ SCOREAT SCORES
X bar = 100Y bar = 5.65
S sub X = 25.40S sub Y = 1.25
Questions:
1. What would one predict the athletic test score of an person that earned an IQ score of 125?
2.What would one predict theathletic test score of an person that earned an IQ score of 75?
3. How would interpret Korra'sfindings about the relationship between IQ and athleticism tests?
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