The scatterplot and least squares summary below show the relationship between weight measured in kilograms and height
Question:
The scatterplot and least squares summary below show the relationship between weight measured in kilograms and height measured in centimeters of 507 physically active individuals.
(a) Describe the relationship between height and weight.
(b) Write the equation of the regression line. Interpret the slope and intercept in context.
(c) Do the data provide strong evidence that an increase in height is associated with an increase in weight? State the null and alternative hypotheses, report the p value, and state your conclusion.
(d) The correlation coefficient for height and weight is 0.72. Calculate R2 and interpret it in context.
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Related Book For
OpenIntro Statistics
ISBN: 9781943450077
4th Edition
Authors: David Diez, Mine Çetinkaya-Rundel, Christopher Barr
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