What are the null and alternative hypotheses for this test?, Ask an Expert

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A study has been carried out to compare the United Way contributions made by clerical workers from three local corporations. A sample of clerical workers has been randomly selected from each firm, and the dollow amounts of their contributions are as follows:

Firm1 Firm2 Firm3
199 108 162
236 104 86
167 153 160
263 218 135
254 210 207
96 201

a. What are the null and alternative hypotheses for this test?

b. Use ANOVA and the 0.05 level of significance in testing the null hypothesis identified in part (a).

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