pls help w this!!

An investor with a stock portfolio worth several hundred thousand dollars sued his broker because he claimed, lack of diversification in his portfolio led to consistent poor performance over o period of more than 3 ye. The file below gives the monthly returns of the investor's account for the 39 month period in question. A financial arbitration panel compared these returns with the benchmark S&P 500 performance during the same period, and ended up awarding substantial damages to the investor Download the following data set and use JMP to test the investor's monthly returns are significantly different than the S&P 500: Monthly Returns (a) During these 19 months, the SAP 500 had an average marthly return of 1.1% What was the average monthly return for the investor's brokerage account over this period -10997 (4 decimals) (b) Which hypotheses should be used to test if the investor's mean monthly return was diferent than the sap 500% HO H (C) Us MP to carry out the above hypothesis testi Idently the test statiste (4 decimals) Identify the degrees of freedom (OF) Identify the correct value 4 secimals) () for 0.05, should the arbitration panel conclude the mean return of the Investor's brokerage account is significantly different from the sap 500) evidence the returns are the SAP 500 Covor 0.01) should the arbitration panel conclude the mean return of the investor's brokerage account is significantly different from the SA 500 there is evidence these returns the SAP 500 The investor would like to claim the returns on his accountant nificantly different than the S&P 500. In contrast, the brokerage would like to claim these returns are not significantly different from the S&P 500, and any observed differences are merely due to ordinary random fluctuation. Which significance level should each party use? The investor should use the brokerage should use