In: Statistics and Probability
Q .2. Use simple regression to see if there is any significant change in real profits over time. (Using Excel)
| Bob's Real Profit |
| $40,977.46 |
| $43,055.59 |
| $35,652.90 |
| $33,888.98 |
| $38,100.50 |
| $39,346.52 |
| $30,587.85 |
| $28,261.74 |
| $31,394.09 |
| $33,218.12 |
| $37,989.71 |
| $37,899.32 |
| $42,310.40 |
| $43,916.94 |
| $36,274.07 |
| $34,235.34 |
| $37,594.17 |
| $38,457.01 |
| $30,010.49 |
| $27,735.00 |
| $32,423.16 |
| $33,171.59 |
| $36,624.22 |
| $36,424.14 |
| $40,765.89 |
| $42,595.34 |
| $34,941.99 |
| $33,042.55 |
| $37,539.56 |
| $38,741.28 |
| $30,312.99 |
| $27,232.19 |
| $31,716.82 |
| $32,556.00 |
| $36,628.84 |
| $36,453.94 |
| $40,985.92 |
| $43,020.60 |
| $35,538.57 |
| $33,314.94 |
| $37,376.67 |
| $38,766.05 |
| $30,280.77 |
| $27,515.09 |
| $32,801.94 |
| $33,179.84 |
| $36,784.42 |
| $38,279.24 |
| $42,610.51 |
| $44,031.32 |
| $35,092.19 |
| $32,991.10 |
| $37,338.19 |
| $38,174.58 |
| $30,169.31 |
| $27,736.26 |
| $30,938.52 |
| $31,480.40 |
| $35,317.94 |
| $34,850.41 |
| $40,093.80 |
| $43,590.19 |
| $36,638.51 |
| $34,307.72 |
| $38,165.20 |
| $39,666.29 |
| $29,945.27 |
| $26,785.90 |
| $31,463.88 |
| $31,198.36 |
| $34,628.97 |
| $35,469.75 |
| $40,984.54 |
| $42,230.32 |
| $34,786.05 |
| $33,010.05 |
| $37,466.74 |
| $38,555.37 |
| $29,930.83 |
| $27,120.02 |
| $31,336.66 |
| $31,161.55 |
| $35,229.86 |
| $35,825.63 |
| $40,117.09 |
| $42,191.40 |
| $35,381.10 |
| $32,609.91 |
| $36,294.82 |
| $37,742.67 |
| $29,391.27 |
| $26,428.62 |
| $30,914.48 |
| $31,198.30 |
| $35,395.77 |
| $36,063.68 |
| $40,815.77 |
| $42,232.40 |
| $33,833.75 |
| $32,214.95 |
| $36,351.62 |
| $38,132.14 |
| $29,251.63 |
| $27,579.49 |
| $31,099.74 |
| $32,846.78 |
| $36,648.48 |
| $35,950.59 |
| $35,193.79 |