robinsonchristopher0

10.01.2020 • 

Mathematics

You operate a travel advisory website, and want to give your users advice on airline timeliness. you select 3 airlines, and monitor their delays at 5 airports. you record average delay times for each airline, at each airport. then, you run a 2-way anova and get the following partial result:
anova results
source of variance ss df ms f
airline 409
airport 238
error
total 686
(a) what is the f-static for variability associated with airlines?
(b) if you're testing for significant effects at the 0.01 level of significance, what would be the critical value of f for assessing the effect of airlines?
(c) is the effect of airlines significant at the 0.01 level of significance?
(d) is the effect of airports significant at the 0.01 level of significance?

Ответ:

montimcdaniel

26.04.2020

Mathematics

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The majority of theorems in mathematics take the form of compound statements. These statements are called conditional and biconditional statements.

The conditional statement from the sentence above is:

If x is an engineer then x is resourceful.

Put in a mathematical form we can refer to the Implication as:

If Xe then R. Or

Xe implies R. Or

Xe if R.

The Hypothesis is stated as

Xe ⇒ R

The statement  Xe in an implication Xe ⇒ R is called its hypothesis, premise, or antecedent, and R  the conclusion or consequence.

Implications are critical in expressing a logical argument. If an implication is found to be true, then the consequences must be as well when the hypothesis satisfied. This is why is also referred to as a conditional statement.

Cheers

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