Three popular fast-food restaurant franchises specializing in burgers were surveyed to find out the number of calories in their frequently ordered sandwiches. At the α=0.05 level of significance, can it be concluded that a difference in mean number of calories per burger exists? FF #1 FF #2 FF #3 340 740 710 290 540 500 1250 510 410 1010 440 390   390   H0: u1=u2=u3=u4 --------- claim or not? H1: At least one mean is different from the others--------claim or not? Find the critical value Compute the test value: F = Reject or do not reject the null hypothesis Summarize: Is there or is there not enough evidence to support claim? Is there or is there not enough evidence to reject the claim?

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