Repeat the experiment in Exercise 1, using a different variable and two samples of size 15. Compare the means by using a t test.

Data from in Exercise 1

From the Data Bank, select a variable and compare the mean of the variable for a random sample of at least 30 men with the mean of the variable for the random sample of at least 30 women. Use a z test.

 

Data Bank ID number 01 27 2 18 1 2 2 1 1 1 2 1 1 3 25 2 63 0 37 2 2882889 02 Age 03 32 24 04 05 19 06 56 07 65 08 36 09 43 10 47 11 48 12 13 14 1 0 0 0 2 0 2 1 0 1 1 2 1 0 1 120 193 1 145 210 0 118 196 1 162 208 0 106 188 0 143 206 0 160 240 0 215 215 1 127 201 1 132 215 2 196 3 109 0 170 3 187 199 210 242 193 1Q Sodium 126 136 118 105 120 137 128 115 135 129 108 142 119 106 133 136 111 138 131 99 140 163 106 151 132 111 134 138 109 135 148 115 146 115 114 141 149 101 152 142 109 144 Gender FMF M M SM S M M M F S F W M W M D F M F D M D F F M SDM Marital status