SCENARIO 10-16-A
a Survey on Men and Women's Shopping Behavior

SCENARIO 10-16-A
A survey on men and women's shopping behavior collected data from a sample of 50 men and 50
women. The following data on online shopping spending every month are stored in the file
Scenario10-16-DataA.XLSX. $$\begin{array} { l r r r r r r r r r r } \text { Men } & 148 & 211 & 256 & 309 & 190 & 205 & 203 & 208 & 231 & 125 \\& 149 & 205 & 195 & 178 & 196 & 198 & 110 & 199 & 181 & 168 \\& 218 & 222 & 206 & 168 & 239 & 130 & 246 & 149 & 262 & 142 \\& 174 & 181 & 198 & 147 & 143 & 185 & 200 & 166 & 171 & 133 \\\text { Women } & 295 & 242 & 299 & 209 & 189 & 173 & 109 & 291 & 208 & 227 \\& 272 & 176 & 251 & 235 & 145 & 179 & 30 & 135 & 200 & 270 \\& 174 & 123 & 199 & 195 & 192 & 102 & 110 & 184 & 228 & 316 \\& 170 & 234 & 163 & 245 & 174 & 126 & 227 & 86 & 96 & 185 \\& 288 & 154 & 217 & 184 & 154 & 217 & 222 & 175 & 265 & 196 \\& 172 & 113 & 240 & 235 & 269 & 243 & 131 & 134 & 56 & 164\end{array}$$ Treat the men as population 1 and the women as population 2.
-Referring to Scenario 10-16-A, what are the null and alternative hypotheses for testing whether
there is evidence of a difference in the variances of monthly online shopping spending between
men and women?