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Chapter 11: Q.27 (page 656)

df=-----

Short Answer

Expert verified

The degree of freedomdf=8.

Step by step solution

01

Given Information

Given data:

Traveling DistanceThird classSecond classFirst classTotal1-100miles2114641101-200miles1816842201-300miles16171548301-400miles12.00%142147401-500miles661022Total736760200

02

Explanation

The number of columns is 3and the number of rows is 5

df=(number of column-1)·(number of row-1)

=(3-1)(5-1)

=2·4

=8

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