Benefits of describing the data
If you were given a large data set such as the sales over the last year of our top 1,000 customers, what might you be able to do with this data? What might be the benefits of describing the data?
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The atmospheric sulfur dioxide (SO2) concentration over a certain region is 0.12 ppm by volume. Calculate the pH of the rainwater due to this pollutant. Assume that the dissolution of SO2 does not affect its pressure.
R-22, flowing steadily at 70 lbm/hr, enters the expansion valve of a refrigeration system as a saturated liquid at 183.09 psia. At the exit of the valve, the pressure is 31.162 psia.
Formic acid has molar mass of 46.03 g/mol and is composed of 26.1%C, 4.38% H and 69.52% O by mass. What is the molecular formula for this substance (list elements in the formula in the same order as given in the problem statement)?
The coefficient of kinetic friction between the two blocks is 0.300, and the surface on which the 8.00 kg block rests is frictionless. A constant horizontal force of magnitude F=10.0 N is applied to the 2.00 kg block, setting it in motion.
Give an example of a research/statistic study that you encountered this week in your life (outside of this course). This could be something your saw on the news, read about in another course, read in a magazine, or even online. Label the variables
For steady state conduction with no heat generation drive the radial temperature characteristics as a function of the radial distance from the center of the cylinder. Plot this characteristics as a function of the radial distance r.
Lay out the design for two between-subjects experiments: an experiment involving an experimental group and a control group, and
Calculate the amount of cupric nitrate tihydrate (molar massof 241.60 gram/mole) required to prepare each standard listedbelow. Note: The standards are to be prepared in terms of Cu.Remember that copper is only a portion of copper nitrate.
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