Question

1. Carbohydrates are used for predicting energy released by a drink. In a study of several sports drink, the mean carbohydrates= 41.82 grams, standard deviation = 15.32 grams, mean energy released = 192.57 kilocalories with a standard deviation of 68.43 kilocalories. The correlation between carbohydrates and energy released = .91. What is the linear equation of best fit for predicting energy released from carbs?

Interpret the slope and y-intercept in context.

2. A student reports these values from his best-fit line: r = -.65, b = 1.48. Is the result correct? Why/why not?

Answer 1