A random sample of 10units of mobile phone batteries from manufacturer A gave a lifetime with standard deviation of 5 months while a random sample of 13 units of batteries from manufacturer B gave a lifetime with standard deviation of 4 months. Assume the population to be approximately normal with equal variances. Use a 0.10 level of significance.
The answer to the question is available in the PDF file https://assignmentexpert.com/https://assignmentexpert.com/homework-answers/mathematics-answer-41939.pdf
Comments
Leave a comment