please answer the question C and D //////////////////////////////////////////////////////

C. Yields of ten randomly selected samples of bread from a factories were23.9 , 23.5 , 20. 6 , 21 . 7 , 23. 4 , 21. 9 , 21. 0 , 19 . 1 , 22. 5 , and 24. 8. Is there any reason tobelieve that the population mean yield of bread is significantly ( a = 0. 05 )Test Hypothesis :"Test statistics :Critical value ( S ) :Conclusion :D. Find a linear ( regression ) equation with following data .X70 2565 2060 3050 3545 40Ans. . y = ( ) + ( )* x. Show your work .