An analysis of the time headways resulted in a model for the time elapsed between the...

Question

Question

Answer 1

Answer #1

Test statistic

$chi^2 = sum rac{(O_i-E_i)^2}{Ei}$

(30 19) 19 2 (18 23)2 (28 18) 18

X-21.475

Degrees of freedom = 9 - 1 = 8

Hence,

p - Value = P( chi^2_8 > 21.475) = 0.0060

Since this p - value is less than 0.05, we reject Ho. Hence,

We have sufficient evidence to conclude that the theoratical model doesnot explain the observed values.

Answer 2

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