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Measures of Variability - Statistics - Socratic In the formula for a population standard deviation, you divide by the population size #N#, whereas in the formula for the sample standard deviation, you divide by #n-1# (the sample size minus …
Question #ec7ee - Socratic 8 Mar 2017 · The dimensions are 12x " by " 8x " by " 4x inches. Let's look at the actual dimensions of the carton first. The length of the carton will be the width of three dictionaries placed side by …
A regulation basketball has a diameter of about 9 inches 26 May 2016 · 381.69 cubic inches. The basketball is almost a sphere. The volume of the sphere is v=4/3pir^3 where r is the radius. You have the diameter, that is the double of the radius, so …
Answers created by Frederico Guizini S. - Socratic A rectangular prism measures 8 inches in width, 12 inches in length, and 4 inches in height. What is the surface area of the prism? What is the arclength of #f(x)=x^2/(4-x^2)^(1/3) # in the …
Question #60ef7 + Example - Socratic 24 Jan 2016 · "1.23 yd = 112 cm" and "1.23 lb = 558 g" In general, you use conversion factors to convert from one unit to another. They come from relations that you know or can look up. …
Question #9bdaa - Socratic Volume: "2750 in"""^3 You're going to have to play around with the units given to you to get them to match those required for the volume of the silver bar. Notice that silver's density is given to …
How do you rewrite 225% as a mixed number.? - Socratic 15 Nov 2016 · In the same way that inches, centimetres kilograms are units of measurement so is %. Except in the case of % it represents #1/100# of whatever you are associating it with. So …
Question #4927a - Socratic 13 Oct 2017 · 81:1 Ratio of radii r1:r2=9:1 Ratio of areas pir_1^2:pir_2^2 or r_1^2:r_2^2=9^2:1^2=81:1. How much will it cost to paint a circular sign with a radius of 4 feet if …
Linear Transformations - Statistics - Socratic In a biology lab, a student has measured the lengths of 30 palmetto bugs in inches. He computes the mean and standard deviation as 4.1 inches and 1.2 inches, respectively. He later finds out …
Question #37b98 + Example - Socratic 3 Oct 2016 · The FPS units of measurement are the foot, pound, and second. > The FPS (foot–pound–second) system is built on three fundamental units: foot for length (avoirdupois) …