A water footprint is a measure of the appropriation of fresh water. The per capita water footprint (in mega gallons) in a certain country for a recent year can be approximated by a nomal distribution, as shown in the figure. (a) What water footprint represents the 86th percentile? (b) What water footprint represents the 34th percentile? (c) What water footprint represents the third quartile? u1.52 Mgal o-2.79 Mgal E -6.48 1.52 Mega gallons 9.52 (a) The water footprint that represents the 86th percentile is (Round to two decimal places as needed.) Mgal.

The average weekly earnings in dollars for various industries are listed below. Find the percentile rank of 604. 701, 604, 538, 625, 574, 659, 735, 513, 789, 847

Is body temperature a nominal, ordinal,​ interval, or ratio?

Consider the population of all laptop computers owned by students at your university. You want to know the weight of the laptop. (a) Specify the population unit. (b) Specify the variable of interest. (c) Specify the statistical population.

Explain the meaning of the accompanying percentiles. ​(a) The 5th percentile of the head circumference of males 3 to 5 months of age in a certain city is 41.5 cm. ​(b) The 95th percentile of the waist circumference of females 2 years of age in a certain city is 49.8 cm. ​(c) Anthropometry involves the measurement of the human body. One goal of these measurements is to assess how body measurements may be changing over time. The following table represents the standing height of males aged 20 years or older for various age groups in a certain city in 2015. Based on the percentile measurements of the different age​ groups, what might you​ conclude?

The following are the P/E ratios (price of stock divided by projected earnings per share) for 15 banks. 34, 19, 21, 20, 23, 14, 22, 29, 23, 24, 43, 31, 23, 18, 15   Find 10th and 75th percentiles for these ratios.(If necessary, consult a list of formulas.) (a) The  10th  percentile:   (b) The  75th  percentile:

Calculate the 95% margin of error in estimating a population mean for the following values. (Round your answer to three decimal places.) 30,² = 1.2 n =