If this can be done on TI-83 that would be extremely helpful.

Question 1 10 pts Fred Stone is analyzing the returns on the Flintstone Quarry Company common stock. He gathered a sample of returns on the stock and produced the following information: Number of returns 40 Mean return 1% Standard deviation of returns 2.1% Median of returns 1.1% What should Stone conclude regarding the returns on Flintstone? Indicate all that apply The mean return is different from zero at the 1% level of significance. The mean return is different from zero at the 5% level of significance. The mean return is different from 0.5% at the 5% level of significance. The variance of the returns is different from 1% at the 5% level of significance