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The following data represent the heights and weights of various baseball players. (in inches/ pounds)
Player Height, x Weight, y Player Height, x Weight, y
Nate 72 197 Greg 70 195
Derek 71 201 Randy 77 240
Mark 73 192 Josh 71 193
Jon 74 209 Pat 74 203
(a) Compute the least-square regression line. Y=(.....)x- (......)(Do not round until the final answer, then round to three decimal places as needed)
(b) Remove the value corresponding to Randy and compute the least square regression line the correlation coefficient.
(c) Do you thing that Randy is an influential observation.
Jon is a traveling salesman for a pharmaceutical company. His territory includes 5 cities and he needs to find the least expensive route to the cities and home. Starting at city A, determine the optimal route using nearest neighborhood method.
A pendulum swings through an angle of 20 degrees each second.If the pendulum is 40 inches long, how fast is the tip of the pendulum swinging?
a rectangular garden is 80 meters by 60 meters. part of the garden is torn up to install a strip of lawn of equal width around the garden. the new area of the garden is 800 m^2. how wide is the strip of lawn.
Use the Empirical Rule to find what two values 68% of the data will fall between for a data set with a mean of 293 and standard deviation of 19.
Find a rational zero of the polynomial function and use it to find all the zeros of the function.
Given that S_n denotes the number of n-bit strings that do not contain the pattern 00, what are the initial conditions?
Give the mean and standard deviation for the coin variable and compare these to the mean and standard deviation for the binomial distribution that was calculate in question 5. explain how they are related. mean=np, standard deviation
Calculate the value of the appropriate test statistic
question 1. as light passes through transparent materials water glass plastic some of the light is absorbed. the
One card is drawn from a well-shuffled deck of 52 cards (no jokers). Find the probability of drawing a card above an 8(count an ace as high).
Find the stationary points and linear approximating systems at each station
When the base of a ladder that has been resting against a wall is pulled out 4 meters from the wall, the top of the ladder drops by 1/5 the length of the ladder. what is the length of the ladder?
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