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

SCENARIO 10-16-B
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-DataB.XLSX. $$\begin{array} { l r r r r r r r r r r } \text { Men } & 122 & 184 & 220 & 61 & 114 & 293 & 107 & 200 & 242 & 233 \\& 229 & 157 & 203 & 147 & 110 & 217 & 136 & 222 & 206 & 155 \\& 292 & 220 & 210 & 196 & 177 & 212 & 169 & 243 & 240 & 78 \\& 226 & 173 & 152 & 228 & 230 & 162 & 189 & 171 & 184 & 263 \\& 217 & 170 & 191 & 176 & 129 & 241 & 208 & 217 & 251 & 267 \\\text { Women } & 170 & 180 & 167 & 232 & 217 & 145 & 190 & 145 & 200 & 163 \\ & 159 & 138 & 193 & 170 & 165 & 172 & 190 & 127 & 186 & 245 \\& 198 & 186 & 163 & 129 & 158 & 164 & 197 & 182 & 172 & 163 \\& 180 & 168 & 158 & 185 & 166 & 216 & 153 & 146 & 197 & 129 \\& 162 & 202 & 192 & 119 & 197 & 172 & 139 & 167 & 203 & 130\end{array}$$ Treat the men as population 1 and the women as population 2.
-Referring to Scenario 10-16-B, 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?

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