Вопрос
CRITICAL VALUE OF FISHER.-SNEDECOR CRITERION IF SIGNIFICANCE LEVEL IS O .05. v_(1)=5,v_(2)=4,H_(1):sigma _(x)^2gt sigma _(y)^2 IS alpha =0.05 alpha =0.025 V_(2) V_(1) 3 4 5 V_(2) V_(1) 3 4 5 3 9.28 19.12 9.01 3 15.44 15.1 114.89 4 6.59 6.39 6.26 4 9.98 9.6 9.36 5 5.41 5.19 5.05 5 7.76 7.39 7.15 Select one: 9.36 7.15 6.26 7.39 5.19
Решения
4.4
(179 Голоса)
Ксения
Экспертная проверка
мастер · Репетитор 5 лет
Ответ
To determine the critical value of Fisher-Snedecor (also known as the F-test), we need to identify the correct value from the provided table that corresponds to the given significance level (
) and degrees of freedom (
and
).Given:- Significance level (
) = 0.05- Degrees of freedom for the numerator (
) = 5- Degrees of freedom for the denominator (
) = 4We need to find the critical value for
, which corresponds to the upper tail of the F-distribution.From the provided table, we look for the value in the row where
and
, and then select the appropriate value for
.The table entry for
and
at
is 7.15.Therefore, the correct answer is:7.15