industrial psychologist wishes to study the effects of motivation on sales in a particular firm

An industrial   psychologist wishes to study the effects of motivation on sales in a   particular firm. Of 24 new sales persons being trained, 12 are to be paid at   an hourly rate and 12 on a commission basis. The 24 individuals were randomly   assigned to two groups. The following data represents the sale volume   achieved during the first month on the job. Is there evidence that wage   incentives (through commission) Yield greater average sales volume? Use a 5%   level of significance. Hourly Rate 256 239 222 207 228 241 212 216 236 219   225 230 Commission 224 254 273 285 237 277 261 228 234 225 232 245     

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