Adrug which is used for treating low bone mass has potentially dangerous side effects if it is taken in doses which are larger than the required dosage for the treatment. a medical researcher believes that the variance in dosage is different for two tablets made by different production facilities. the sample variance of a sample of 18 dosages of tablet "a" is 0.016. the sample variance of a sample of 16 dosages of tablet "b" is 0.006. construct the 95% confidence interval for the ratio of the population variances. round your answers to four decimal places.