Mode of a set of scores
Can the value of the mean, median, or mode of a set of scores ever be negative? Explain.
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A series of cylindrically shaped (l= 25 mm, d = 5 mm) ceramic samples are tested are testedin tension. The Weibull distribution coefficient is 5, and 50% of the samples fracture at a stress of 100MN/m^2 or less.
A parallel plate capacitor has square plates 12 cm on a side separated by 0.10 mm of plastic with a dielectric constant of k=3.1. The plates are conected to a battery causing them to become opposely charged.
The coefficent of restitution for the collision is er=0.4. If the duration of impact is 0.5 seconds what is the magnitude of the average loads on people in the cars during the impact.
Give the mean and standard deviation of the distribution in part a, and show how they are calculated. Calculate the probability that from 10 to 12 of the men (i.e. 10, 11, or 12 men) have high blood pressure. Explain how the calculation is done, sh
The gage is calibrated to read in miles per hour at standard sea level conditions (rather than psi). If the airspeed meter indicates 150 mph when flying at an altitude of 10,000 ft. What is the true airspeed?
The Acme Light Bulb Company claims that the lifetimes of its 100-Watt light bulbs follow a normal distribution with a mean of 325 hours and a standard deviation of 35 hours.
The room is 3 m x 4 m x 2.6 meters high. If we treat the room as perfectly insulated, initially at 15 C throughout, and the specific heat of the coals is: c = 2.9 kJ/kg-C and for the air: c = 1.01 kJ/kg-C and ? = 1.25 kg/m3, what will be the final
A rock weighing 98 N is thrown downward with a velocity of 20 m/s from the top of a 140 m tall building. What is the velocity of the rock at 120m above the ground?
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