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The relationship betwen the number of games won by a minor league baseball team and he average attendance at their home games is analyzed. A regression to predict the average attendance from the number of games won has an R2 =25.5%. The residuals plot indicated that a linear model is appropriate. Write a sentence summarizing what R2 says about this regression.
Using the least squares method answer the following. What are the main strengths of this method?
Multiple choice questions based on regression
Probability : Drawing Cards and Sampling Without Replacement, 3 cards are drawn in succession from a regular straight deck of 52 playing cards. Find the probability that
When people smoke, the nicotine they absorb is converted into cotinine, which can be measured. A random sample of 40 smokers is selected, and they are found to have a mean cotinine level of 172.5
If the number sold of franchise A is twice the number sold of franchise C, how many of each type did the company sell that year.
The temperature at a point in a ball with conductivity K is inversely proportional to the distance from the center of the ball. Find the rate of heat flow across a sphere S of radius a with center at the center of the ball.
The volume of a cylinder(think about the volume of a can)is given by v=pir^2h where r is the radius of the cylinder and h is the height of the cylinder.
Let r be the radius on the incircle of tri ABC and a,b,c be the radii of the excircles opposite vertices A, B, and C, respectively. Ilustrate the fact that 1/r = 1/a + 1/b + 1/c. Also, write a proof of this.
Find the mean score
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 plane leaves the aircraft carrier and heads due north at 500km/h. The aircraft carrier heads 30 degrees west of south at 35km/h. The plane only has 4 hours worth of fuel left. Calculate the distance the plane travels north, so that the plane can..
Compare this to the actual value of the derivative and compute the percent error for each approximation
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