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(a) Combining the data for both lathes in Exercise 112, construct a histogram.
(b) How would you describe the shape of the histogram?
Exercise 112
Two different lathes turn shafts to be used in electric motors. Measurements made of their diameters (in cm) are
Construct two stem-and-leaf diagrams to see if you should suspect that the two lathes are turning out shafts of different diameters.
for calculation please use precision level at least three digits after the decimal point.for hypothesis tests use
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The following table gives the counts of U.S. institutions of higher education classi?ed as public or private and as 2-year or 4-year:31 (a) What is the probability of winning nothing?
Calculate a four-quarter weighted moving average for the number of America Online (AOL) subscribers for the nine quarters of data. The data are reported in thousands.
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What key factors of a business situation indicate the need for simulation
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we have a bag with 10 red 10 blue and 20 green marbles. you draw two marbles out of this bag without replacement. what
(b) Design the gain matrix K to meet the following specifications: (i) the closed-loop system is stable; (ii) the system bandwidth ωb ≥ 1 rad/s; and (iii) the steady-state error to a unit step input R(s) = 1/s is zero.
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