Use the ata on the cost worskeet of chpt 9.1xls. that show the hospital cost for a randomly selected sample of 34 women and 34 men, and do the following:

a.) calculate a t test of the hypothesis that cost for women is equal to cost for men against the alternative that they are not equal, assuming equal variance

b.)Decide wheather to accept or reject the hypothesis of equality

CostWomenMen$6,457.31$1,752.96$3,625.43$29,821.74$2,510.78$1,907.73$8,228.22$5,097.72$3,331.56$7,574.53$7,254.36$1,295.30$29,766.29$15,259.68$5,881.90$4,169.06$4,901.39$11,045.79$1,853.67$4,745.26$2,015.86$4,283.55$7,900.35$1,797.81$2,272.61$6,774.32$12,262.95$24,985.78$6,778.67$4,286.90$33,081.06$5,458.13$8,650.08$9,792.65$1,548.56$3,782.60$8,215.43$5,249.46$15,021.25$3,020.36$5,029.43$2,524.01$2,223.05$17,605.59$1,723.00$5,810.96$6,892.79$3,054.19$6,646.63$5,672.18$3,769.42$5,051.76$4,824.50$5,470.64$7,409.93$1,438.85$4,287.45$7,099.69$5,411.53$4,758.89$2,694.11$3,720.09$4,703.77$4,278.73$1,248.09$4,561.72$4,596.00$2,088.95