Analysis of amniotic fluid from a simple random sample of 15 pregnant women showed the following measurements in total protein present in grams per 100 ml.

0.69 1.04 0.39 0.37 0.64 0.73 0.69 1.04 0.83 1.00 0.19 0.61 0.42 0.20 0.79

These data provide sufficient evidence to indicate that the variance of the population is different from 0.05? Consider a significance level of 5%.

To answer this question, the use of the test statistic for the corresponding distribution is required. Indicate what its value is and how it was calculated.