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Suppose n = 25. Compare the critical region for the level α = .05 test of H0 (8.1) versus H2 (8.67) based on rs with the critical region for the corresponding nominal level α = .05 test based on the large-sample approximation.
A standard deviation of 1 month will have a total lifetime of at least 45 months if all of the bulbs are used non stop.
suppose 240 people are being tested for a disease with a 100 accurate test. each individual has a 7 probability of
How can we obtain the theoretical sampling distribution of the mean from a population which is (a) Finite? (b) Infinite?
How does Z the standard normal distribution variable relate to the standard deviation of its distribution and identify the critical value suitable for conducting a two-tail test of the hypothesis at the 2% level.
Compare the effectiveness of three methods of teaching (IV). You plan to administer a standardized test (DV measured on an interval scale measuring knowledge acquisition) to the students in three classes with each class using a different teaching ..
suppose a regession analysis provides the following results bus04.0 bsub10.0 ssubb0-1.0 ssubb14.0 sst67.36 sse50.0 and
1. the incidence of occupational disease in an industry is such that the workers have a 20 chance of suffering from
Using the confidence interval when conducting a two-tail test for the population mean we do not reject the null hypothesis if the hypothesized value for:
find the critical value. assume that the test is two-tailed and that n denotes the number of pairs of data. n 60
The function that defines the probability distribution of a continuous random variable is a?For a continuous random variable x, the probability density function f(x) represents.
Otherwise you lose $1. If you make this wager very many times, what will be the mean outcome?
Heights are sampled of kids from three schools. Using a 0.05 significance level, if when looking at ANOVA results, your p-value is 0.04, what can you say about your sample data? no minimum word count.
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