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Critical valud of the f distribution

The business college wants to know if their graduates are getting paid better than the teaching college. They take a random survey of 3 business college graduates and 3 teaching college graduates and report on their incomes. At a 0.05 significance level can we conclude that there is a difference in the mean income of the two groups?

Business College Graduates | College of Nursing | Teaching College Graduates |

64 | 75 | 74 |

70 | 76 | 69 |

What is the treatment degrees of freedom (MST degrees of freedom)?

What is the error degrees of freedom (MSE degrees of freedom)?

What is the critical valud of the F distribution?

What is the SST?

What is the SSTotal?

What is the SSE?

What is the MST?

What is MSE?

What is the calculated value of the F distribution?

What is the decision?

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## Q : Lognormal distribution

The lifetime of a semiconductor laser has a lognormal distribution, and it is known that the mean and standard deviation of lifetime are 10000 and 20000, respectively.