20. -11 points MIntroStat9 2.E.505.XP My Notes Ask Your Teacher Find the mean an

Question

20. -11 points MIntroStat9 2.E.505.XP My Notes Ask Your Teacher Find the mean and standard deviation of the times and icicle lengths for the data on run 8903 in data data270.dat. Find the correlation between the two variables. Use these five numbers to find the equation of the regression line for predicting length from time. Use the same five numbers to find the equation of the regression line for predicting the time an icicle has been growing from its length. (Round your answers to three decimal places.) times x = times s = lengths x = lengths s = time ength length = time eBook

Explanation / Answer

Times mean = 95

Length mean = 15.033

Time s = 53.385

Length S = 9.083

Correlation = 0.992

time = -1.002+0.169*length

Length = 7.340+5.831*time

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