The annual earnings(in dollars) of 35 randomly selected microbiologists are shown in the data table. Use the data to(a) find the samplemean, (b) find the sample standarddeviation, and(c) construct a98% confidence interval for the population mean.

99,462 81,083 77,930 67,312 51,771 67,427 93,881 66,078

79,458 73,582 44,482 87,161 60,895 58,184 54,871 77,969

47,748 98,599 81,361 93,204 63,515 75,054 50,684 60,921

91,362 84,004 80,136 63,944 74,413 56,990 47,231 89,888

75,989 61,405 83,005