Answer Happy

Part Regression and correlation analysis The table below shows the ages in month of 10 infants and the numbers of hours each slept in a day. Ages(x) 1 2 4 7 6 9 1 2 4 9 Hours sleptly) 14.5 14.3 14.1 13.9 13.9 13.7 14.3 14.2 14.0 13.8 a) Determine the slope, y intercept and the correlation coefficient (r value) b) Construct a scatter plot of the data, draw the regression/trend line, and display the regression equation on the graph c)Predict the number hours of sleep for a baby who's 3 months old d)Explain the slope, the intercept, the correlation coefficient in the context of the