A textile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standar

A textile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. The company wishes to test the hypothesisagainstusing a random sample ofspecimens. Calculate the-value if the observed statistic is.Round your final answer to five decimal places (e.g. 98.76543).