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The mean height of a certain kind of plant is 177 centimeters. Suppose we want to carry out a hypothesis test to see if the mean height when these plants are treated with a certain chemical differs from 177. State the null hypothesis and the alternative hypothesis that we would use for this test.
let x be binomial with parameters n15 and p.2a find the expression for density for xb find the expression for the
if the correlation between the two independent variables of a regression analysis is 0.11 and each independent variable
the yearly tuition costs x in hundreds of dollars for six state universities are given in the table below. for each
What is the 95% confidence interval estimate of the population mean examination score if a sample of 200 applications provided a sample mean ? (4%)
it is your birthday and you are waiting for someone to write you a birthday message on facebook. on average on your
Find the predicted value of fat gain for this individual and then calculate the residual. Explain why this residual is positive.
Perform hypothesis testing on one variable's data (choose either the intrinsic or extrinsic Job Satisfaction)using 25 as our data set number.
Credit Union Loans USA TODAY reported that 21% of loans granted by credit unions were for home mortgages. At a = 0.05, is the distribution the same as reported in the newspaper?
discuss the various sampling methods we might use in determining which items to include in a
The second person counts the number of shells and records it. Again, each team repeats the experiment five times and computes the mean and the standard deviation.
Assuming that the standard deviation of stock price movements that day was 2 points and assuming stock price movements were normally distributed around their mean of 1.5, what is the probability that the average stock price of your portfolio incre..
in order to escape the cool temperatures of kalamazoo you have decided to fly to sunny las vegas. unfortunately for you
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