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Find the best predicted value of y corresponding to the given value of x. The regression equation relating attitude rating (x) and job performance rating (y) for the employees of a company is hat(y)=11.7+1.02x. Ten pairs of data were used to obtain the equation. The same data yield r=0.563. Use significance level 0.05.
a) what is the best predicted job performance rating for a person whose attitude rating is 79?b) why? explain it.
Find the equation of the tangent plane to the ellipsoid 7x2 + 5y2 + 3z2 = 60 which pass through the line 5y - 3z = 0 = 7x + 10y - 30.
Calculate the given quantities if a = , b= , and c= . Determine whether a and b are parallel, perpendicular or neither.
Determine if this argument is correct, using symbolic logic and a truth table. If it is not correct, explain what is wrong with the argument, and change the minor premise to make a correct argument.
A company's costs, in millions of dollars, are given by the equation, C = x2 - 3x - 27, where x is the number of items sold, in thousands. What are the costs when 1,000 items are sold? 1,500 items?
Two carts A and B are connected by a rope 39 feet long that passes over pulley P. The point Q is on the floor directly beneath P and between the carts. Cart A is being pulled away from Q at a speed of 2 ft/sec.
A large ladder leans against a house with the base of the ladder 4.5 horizontal feet from the base of the house. If the ladder has a slope of 3.1 feet per foot, at what height does the top of the ladder meet the house? (Round your answer to two de..
worth, missouri is 25 miles more north of independence, missouri than it is west of putnam, missouri. The distance between independence and putnam is approximately 120 miles. Find the distance between putnam and worth and the distance between wort..
what is the union of sets x and y b. what is the intersection of sets x and y c. create your own set z that is a subset of x
Create a system of linear equations from your own life. Keep in mind that a system of linear equations will consist of two equations using the same variables and the variables will represent the same thing for both equations
In a large study of 1000 entries, 40 errors were found. Does the data support the null hypothesis based upon this experience?
Linear programming - What are the sensitivity limits for the constraints
I want to prove that a population mean is not 150. Use an alpha of 5 percent & set up the full, detailed, five step hypothesis test. Suppose when the sample 200 is taken the sample standard deviation is ten & the sample mean is 151.77.
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