The table below gives the age and bone density for five randomly selected women.

Question

The table below gives the age and bone density for five randomly selected women. Using this data, consider the equation of the regression line,y = b0 + b1x, for predicting a woman's bone density based on her age. Keep in mind, the correlation coefficient may or may not be statistically significant for the data given. Remember, in practice, it would not be appropriate to use the regression line to make a prediction if the correlation coefficient is not statistically significant According to the estimated model y = 422.541 - 1.746x, if the value of the independent variable is increased by one unit, then the change in the dependent variable y is given by?

Explanation / Answer

Answer: The chenge in the dependent variable when the independent variable is changed by one unit is equal to the factor of the independent variable.

Therefore, the value = b1

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