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In a regression analysis, the sum of the squared deviations between y and y‾ is SST = 200.0. If the sum of the squared deviations about the regression line is SSE 40.0, what is the coefficient of determination?
The length of time until the breakdown of an essential piece of equipment is important in the decision of the use of auxiliary equipment
the operationalization of a construct means that there must be looked for as many related dimensions and elements of
use linear regression to forecast values for periods 11 to 13 for the following time
Choose any Markov Chain with a 3x3 transition matrix that is irreducible and aperiodic. The reason it needs to be irreducible and aperiodic is because we are looking for a Markov Chain that converges.
we have a sample of 36 cola cans that contain an average of 12.29 oz but this time lets assume that we dont know sigma
Assume you choose 20 houses at random. On average, how many houses of twenty would you expect to have DVD? Determine standard deviation of number of houses with DVD?
a fair 20-sided die is rolled 120 times and the value of chi-square is computed using expected counts of 6 for each
If the true population mean has shifted to μ = 11.9, determine the value of β corresponding to each of the rejection regions obtained in (i) and hence the power of each test. Comment on the effect that lowering α has on the corresponding values of ..
constructing a histogram requires dividing the range of the data into class intervals or bins the recomended number of
While conducting a one-way ANOVA comparing five treatments with 10 observations per treatment, computed value for SST = 250 and MSE = 3 given. Find the value of F and also construct the ANOVA table?
heights of trees in a forest are normally distributed. the mean and standard deviation of a random sample of size 20
a doctor wants to estimate the hdl cholesterol of all 20-to 29- year-old females. how many sunjects are needed to
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