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let two items be chosen at random from a lot containing 12 items of which four are defective let a both items are
question is it true that as the sample variances in a two-group t-test goes down the critical t goes
what manual calculation do i use to calculate a 95 confidence interval based on a correlation coefficient
is it true that compared to a matched t test on the same data the independent samples t test will always yield a
a person tosses a coin 4 times let the probability of heads equals to 12 for each heads the person receives 100 for
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how do i calculate b slope for the equation of the regression
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business weekly conducted a survey of graduates from 30 top mba programs on the basis of the survey assume the mean
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a study was designed to investigate the effects of two variables 1 a students level of mathematical anxiety and 2
what is an priori alternative hypothesis what is a testing null hypothesis why dont we just test the a priori
if x is normally distributed with mean 7 and population variance 4 what is the probability that x is greater than 1028
if x is normally distributed what is the probability that a x is further than 196 standard deviation away from the mean
a medical doctor at um collect data and published a paper in which he reported the body temperature of healthy human
hipaa requires that patients are notified of their rights in writing of the ways in which their health information will
if a researcher randomly selects subjects from a population and assigns them randomly to either an experimental or
the amounts of nicotine in a certain brand of cigarette are normally distributed with a mean of 0916 g and a standard
cnnbc recently reported that the mean annual cost of auto insurance is 1009 dollars assume the standard deviation is
please help explain the followinghow is the expected frequency of a category calculated for a goodness-of-fit test what
a company that makes colas drinks states that the mean caffeine content per 12-ounce bottle of cola is 45 milligrams
suppose that you are a doctor working at a hospital you have a certain patient who must take 4 pills each day one for
please help explain the followingwhat type of variables are used in a linear regression equationhow many variables does
if you are using binompdf or binomcdf state what your input was ie binompdf20 05 3 1 what is the probability of rolling
lindsay is going to the gym to use either a stairmaster or a stationary bike she would prefer the stairmaster but using