The following table lists the monthly incomes (in hundreds of dollars) and the monthly rents paid (in hundreds of dollars) by a sample of six families. Let x be monthly income and y be monthly rent. Monthly Income Monthly Rent 24 7.0 16 4.5 19 6.5 31 11.5 11 4.5 27 8.5 For the regression of y on x, the values of a and b. rounded to two decimal places, are: b= 1
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- A new computer circuit was tested and the times (in nanoseconds) required to carry out different subroutines were recorded. Difficulty 1 3 3 4 5 6 6 6 Time 10 11 12 9 15 19 21 18 Find the regression line for the data. Assume x is the difficulty level and y is the time. (Round your values to four decimal places.)The following table contains data for the number of bacteria y (in millions) growing in a particular medium after x hours. Using a calculator or statistical software, find the linear regression line for the data in the table. Enter your answer in the form y=mx+b, with m and b both rounded to two decimal places. x y 0 3.67 1 5.24 2 7.04 3 10.31 4 9.83 5 11.04 6 14.68 7 15.02Use the following information to calculate the standard error of the regression that has an intercept (numbers rounded up to two decimal places) Squared sum of the residuals 120 Sample size 80 Number of explanatory variables 5 Total sample variation in explanatory variable 1 60 R-squared of regressing variable 1 on the rest of the variables in the model 0.82 Sample information 0.33 1.20 1.43 0.11