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As part of an ANOVA that compares three treatments, you carry out Tukey pairwise tests at the overall 5% significance level. The Tukey tests find that µ1 is significantly different from µ2 but that the other two comparisons are not significant. You can be 95% confident that
(b) just there is not enough evidence to draw conclusions about the other pairs of means.
(c) and this implies that it must also be true that
based on a survey of 1000 adults by greenfield online and reported in a may 2009 usa today snapshot adults 24 years of
Estimating the Size of a Sample to Study
a boiler has five identical relief valves. the probability that any particular valve will open on demand is0.90.
how large of a sample size do we need to estimate the mean annual income of native americans in onondaga county new
a medical researcher wants to determine if a two month jogging program will reduce the resting pulse rate of women aged
Cold Stone Creamery has recorded demand for the particular flavor of ice cream during first seven days of July. Results are as follows: Forecast the sales for 8th day of July using 5-day moving average.
A random variable has a normal distribution with ?? = 62.4. Find the standard deviation of the random variable if the probability is 0.20 that it will take on a value greater than 79.2
A test of hypothesis is conducted at the .05 level of significance to test either or not the population correlation is zero.
State the hypotheses for a right-tailed test. Obtain a test statistic and p-value assuming unequal variances. Why might the sample data not follow a normal, bell-shaped curve? If not, how might this affect your conclusions?
assume that a simple random sample has been selected and test the given claim. use the p-value method for testing
Since you have a significant effect you would need to run post-hocs here. Please determine the appropriate post-hoc for this situation and report the results in proper APA format.
Separately choose at random 2 of those under 21 to interview about attitudes toward alcohol. You have given every student at the party the same chance to be interviewed: what is that chance?
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