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Do private practice doctors and hospital doctors have the same distribution of working hours? Suppose that a sample of 100 private practice doctors and 150 hospital doctors are selected at random and asked about the number of hours a week they work. The results are shown in Table

df=_______.

Short Answer

Expert verified

df=3

Step by step solution

01

Given information

The given data is

02

Explanation

From the given table

The degree of freedom is calculated using the formula df=number of columns-1.

The number of columns is 4in this case.

df=numberofcolumn-1

localid="1654169143324" =4-1=3

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