To determine the influence of running before breakfast (in minutes) on calorie intake (in calories), a survey was conducted on randomly selected six persons. Running 25 35 28 18 43 50 time (x) Calorie...

Please show all the steps without using software. And answer only a,b,c

Extracted text: To determine the influence of running before breakfast (in minutes) on calorie intake (in calories), a survey was conducted on randomly selected six persons. Running 25 35 28 18 43 50 time (x) Calorie intake 210 285 225 |215 305 355 (у) a. Determine the slope coefficient B for the regression of running time on calorie intake. Answer rounded to two decimal places. b. Determine the y-intercept a for the regression of running time on calorie intake. Answer rounded to two decimal places.


Extracted text: c. What will be the calorie intake if 33 minutes is spent running before breakfast? Answer rounded to two decimal places. d. What percentage of the variation in calorie intake is explained by the regression model? Answer either in percentage or as a decimal (eg: 85.25%, or 0.8525)