The manager of a grocery store selected a random sample of 11 customers to investigate the relationship
between the number of customers in a checkout line. and the time to finish checkout. As soon as the selected customer entered the end of the checkout line, data were collected on the number of customer in line who were in front of the selected customer and the time, in seconds, until the selected customer was finished with the
checkout. the data are shown in the foijowing scatterplot along with the corresponding least-squares regression
line and computer output. (a) Identify and interpret in context the estimate of the intercept for the least-squares regression line .(b) Identify and interpret in context the coefficient of determination, r2.( c) One of the data points was determined to be an outlier. Circle the point on the scatterplot and explain why
the point is considered an outlier.