The manager of the customer service department of a software company is concerned about the number...

 

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The manager of the customer service department of a software company is concerned about the number of errors committed in the software development process. A random sample of 250 coding was inspected for errors regarding repetitive code, bad variable names, unclosed string literal and missing return statement over a period of time. Any coding with these mentioned errors was considered a defect. The study lasted 30 days and the date is presented in the table below. Is there any nonrandom behaviour in the coding process that would require an action from the manager? Samples 1-10 11-20 21-30 Number of Errors in Sample of 250 12 3 8 11 9 8 4 3 12 7 9. 11 1 13 10 10 4 The manager of the customer service department of a software company is concerned about the number of errors committed in the software development process. A random sample of 250 coding was inspected for errors regarding repetitive code, bad variable names, unclosed string literal and missing return statement over a period of time. Any coding with these mentioned errors was considered a defect. The study lasted 30 days and the date is presented in the table below. Is there any nonrandom behaviour in the coding process that would require an action from the manager? Samples 1-10 11-20 21-30 Number of Errors in Sample of 250 12 3 8 11 9 8 4 3 12 7 9. 11 1 13 10 10 4