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Assignment Score: 68.8%
Question 4 of 4 >
Macmillan Learning
Tonya's predicted height:
Hint
(b) Assume Damien is 65 inches tall. Predict the height of his sister Tonya. (Enter your answer rounded to one decimal place.)
Check Answer
Based on the scatterplot you created and the correlation r. do you expect your prediction to be very accurate? Select the
best explanation.
3
This prediction is not expected to be very accurate because the correlation is not very large. The regression line
explains only 55.5% of the variation in sister heights.
This prediction would be expected to be relatively accurate because the square root of the correlation is relatively large.
The regression line explains about 74.5% of the variation in sister heights.
This prediction would be expected to be relatively accurate because the correlation is greater than 0.5. The regression
line explains 55.5% of the variation in sister heights.
This prediction is not expected to be very accurate because the correlation is not very large. The regression line
in