Qmb 3200 Final Exam Latest Updated Graded A+

QMB 3200 Final Exam Latest Updated Graded A+Suppose we have the following data: 12, 17, 13, 25, 16, 21, 30, 14, 16, and 18. To find the 10% trimmed mean, what numbers should be deleted from the calculation? - ANS-12 and 30Which of the following is not resistant to the outliers in a data set?a. Medianb. Meanc. Varianced. Interquartile range - ANS-b. meanThe pth percentile is a value such that at least p percent of the observations are: - ANS-less than or equal to this value.Which of the following provides a measure of central location for the data?a. Meanb. Variancec. Moded. Standard deviation - ANS-a. meanWhen testing water for chemical impurities, results are often reported as BDL, that is, below detection limit. The following data set gives the measurements of the amount of lead in a series of water samples taken from inner-city households (ppm):5, 7, 12, BDL, 10, 8, BDL, 20, 6Which of the following is correct?a. The mean lead level in the water is about 10 ppm.b. The median lead level in the water is 8 ppm.c. The mean lead level in the water is about 8 ppm.d. The median lead level in the water