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The same item is being produced on two production lines. Every 15 min, 5 items are sampled from each line, and a feature of interest is measured on each item. Some statistic Q is calculated for each set of 5 measurements from each line and plotted versus time. Analyst 1 puts all 10 items together into a single group (5 from line 1 and 5 from line 2), calculates a value of the statistic Q, and plots it. (This person says, "After all, is not a larger sample size better?") Analyst 2 keeps the data from the two different lines separate and makes a different control chart for each production line.
(a) What subgroup size is Analyst 1 using?
(b) What subgroup size is Analyst 2 using? (c) Which analyst is making the most appropriate chart? Why?
A converging lens (f = 24.6 cm) is used to project an image of an object onto a screen. Find the two object distances
A railroad car of mass 2.5 104 kg moving at 3.50 m/s collides and couples with two coupled railroad cars, What is the speed of the three coupled cars after the collision
A man holds a flower pot out a window 12 m from the ground he tosses the pot upward with the speed of 5 m/s. How long does it take the pot to reach the ground
From the lab, you know that the speed of sound is v = 331.4 (m/s) + 0.6 (m/soC) · T, where T is the current temperature. We know that the frequency of a sound wave at 11? is 550Hz. What is the wavelength of the acoustic wave
Presume we wish to curve a physics test using a linear function. If we want to scale the scores upwards we may decide to raise the lowest score of 47 to 65 and the highest score of 78 to 90. Find a linear equation that converts the other test scores.
A 6.0- kg concrete block rests on a level table. A 3.9- kg mass is attached to the block by a string passing over a light, frictionless pulley. What is the coefficient of friction between the block and the table
An 8.68-kg block slides with an initial speed of 1.80 m/s down a ramp inclined at an angle of 26.3° with the horizontal. find the distance the block slides before coming to rest
A flywheel turns through 34 revas it slows from an angular speed of 1.7 rad/s to a stop. What is its angular acceleration
If the speed of the crate at A is 15 ft/s which is increasing at a rate v=3 ft/s^2, determine the magnitude of the acceleration of the crate at this instant. [crate is on an incline sliding back toward the orgin at a distance of 10ft - no specific..
Let's model a nucleus as a particle trapped in the one dimensional box. Determine the energies of the proton in the ground state and first two excited states
A woman places her briefcase on the backseat of her car. Find what force causes the centripetal acceleration of the briefcase when it is stationary relative to the car? Under what condition does the briefcase begin to move relative to the car
q1. how much resistance must be inserted in mua circuit has l 12.6 mh and c 1.15the circuit to reduce the undamped
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