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The Ledd Pipe Company has received a large shipment of pipes, and a quality control inspector wishes to estimate the average diameter of these pipes. A random sample of 18 pipes produces an average diameter of 2.56 mm with a
asked by Matt on November 28, 2012 
physics
If you rub a piece of PVC pipe with some wool and touch the PVC to Aluminum foil. Will the PVC be charged after rubbing it with wool?? Will the aluminum be charged? Finally can the PVC cause the aluminum to move. Please explain
asked by kaylee on January 13, 2009 
pvc and wool
If you rub a piece of PVC pipe with some wool and touch the PVC to Aluminum foil. Will the PVC be charged after rubbing it with wool?? Will the aluminum be charged? Finally can the PVC cause the aluminum to move. Please explain
asked by kaylee on January 13, 2009 
pvc aluminum charge
If you rub a piece of PVC pipe with some wool and touch the PVC to Aluminum foil. Will the PVC be charged after rubbing it with wool?? Will the aluminum be charged? Finally can the PVC cause the aluminum to move. Please explain
asked by kaylee on January 13, 2009 
Statistics
Find an example of application of Normal Distribution (or approximately Normal Distribution) in your workplace or business (or any other business that you are familiar with). Prove that the variable has the characteristics of a
asked by Kathy on October 8, 2010 
Physics (Center of Gravity)
In a lab in my physics class, we were supposed to find the CG of my physics teacher. My partner and I had him lie flat on a wooden (assumed uniform) board that was resting on top of two PVC pipes at either end. Since the PVC pipes
asked by Brittany on May 10, 2010 
res342
In conducting research that looks at differences in populations, samples are used for numerous reasons. Using entire populations in a test is difficult, so various sampling techniques are applied. In situations in which the
asked by jack on May 14, 2011 
stat
Which of the following statements is true about the tdistribution with k degrees of freedom? i. the tdistribution is symmetric ii. the tdistribution with k degrees of freedom has a smaller variance than the tdistribution with
asked by Anonymous on May 2, 2007 
Math
Given the box plot, will the mean or the median provide a better description of the center? box plot with min at 6, Q1 at 7.5, median at 8, Q3 at 23, max at 32.5 The mean, because the data distribution is symmetrical The median,
asked by help on May 1, 2016 
Probability/Distribution
A catalyst researcher states that the diameters (in microns) of the pores in a new product catalyst she has made have an exponential distribution with parameter ë = 0.25 (35 pts). (a) Determine the mean pore size. (b) Determine
asked by Erica on October 11, 2016