A manufacturing company knows that their machines produce parts...

A manufacturing company knows that their machines produce parts that are defective on occasion.They have 4 machines producing parts, and want to test if defective parts are dependent on the machine that produced it.They take a random sample of 321parts and find the following results.Test at the 0.05 level of significance.

Machine 1 Machine 2 Machine3 Machine 4

Defective 10 15 16 9

Non-Defective 72 75 66 58

Enter the Test Statistic and round to 4 decimal places.