Please i need answers of question 3 all the parts and need to be done by hand and step by step and showall work for all the parts and don't use excel or R studio for this question... some clarification For 3a), compute the slope and intercept without using the correlation. For 3c), do the test of correlation. If you show the first and last terms of the sums with an ellipsis in the middle, that would be sufficient work. answers need tobe rounded to 4 decimal places and unitsif needed.. it's a biostatistics class... thankyou!

3. The yield of cotton is particularly sensitive to rainfall. Dry weather during the critical growth period in June appears to slow growth considerably judging from these records of a agricultural experiment station about June rainfall and yield of cotton. June rainfall (cm) Yield (1b/ acre) 1120 1750 1940 9 2130 2380 2650 2990 19 3130 (a) Find the best fit line. (b) Calculate r and interpret. (c) Test to see if rainfall and cotton yield are correlated? (5 steps) (d) Compute Se