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1 assume eye colors in the us are distributed as followsnbsp40 brown 35 blue 12 green 7 gray and 6 hazelnbspa
a student randomly selects 150 cds at a store the mean price is 795 with a standard deviation of 130 construct a 95
a survey of 1500 golfers showed that 225 of them are left-handed construct a 95 confidence interval for the proportion
what is the difference between a parameter and a statistic describe an example finally there are adjustments that
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let x nmu sigmaa use the properties of moment generating functions to show that axb namu b asigmab use the cdf method
in a survey of 700 freshmen 300 were enrolled in a math course and 500 were enrolled in a writing course of those
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in a random sample of eight military contracts involving cost overruns the following information was obtained x bid
for the data set shownnbspbelow how do inbspuse technology to find the estimates ofnbspbeta0nbspandnbspbeta1 and then
what is the minimum sample size n is needed to estimate u for the values of c 090 o98 and e1 assume that a preliminary
suppose that we have the data x1 x2 xn such that x1x2xn3 what is the mean of the data what is the standard deviation i
can someone please help me understand how to use a standard normal table to find the positive critical value that
a researcher applies a random forest model to a very large set of genetic data to estimate the risk of getting throat
a research ts a polynomial regression to his data but nds that the prediction on the edges of his dataset are wildly
you run k-means clustering on your dataset with k 5 and get some result your coworker takes the same dataset runs
you are running a logistic regression in order to classify observations in a dataset into two classes when discussing
a delivery services wishes to partition its customers locations in a city so that a each set contains geographically
suppose we t a decision tree using bagging with b bootstrapped training sets for each of the following determine
a data scientist wishes to t a linear model and has 100 predictors on hand for simplicity of deployment she wants no
suppose a multiple regression model is given by ynbsp 444x1nbsp-929x2nbspnbsp 3967 how do i determinenbspwhat an
you would like to t a classier that groups data into three classes and for each data point report your condence that it
two data scientists are discussing a strategy to select a subset of predictors for a model with n 5000 observations
jacob is writing a paper for a machine learning conference he has invented a new version of random forests to grow each