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Which of the following is NOT a correct statement for analysis of variance?
A. Analysis of variance can be used for three or more populations.
B. Within group variance is not affected by differences in the means.
C. The variance between the populations' means is represented through MSW
D. It is assumed all the populations involved are independent and normally distributed.
the density function of the random variable x is given byfxx 12 for -1ltxlt1 0 otherwisedetermine the moment
b. Show and interpret a 90% confidence interval for the mean daily rainfall.
two cards are drawn from a well-shuffled deck of playing cards from which the spades and clubs have been removed and
A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO is less than 1 in every one thousand. State the null hypothesis and the alternative hypothesis for a test of significance.
Use a two proportion z-test to perform the required hypothesis test. State the conclusion.
The Mathematics Department of the University of Louisville consists of8 professors, 6 associate professors, 13 assistant professors.
Around 4000 years BC, in the lower Tigris and Euphrates valley, the Sumerians developed a form of writing using hundreds of wedge-like strokes and characters, which were symbols for words and syllables. What was this writing called?
Calculate the mean and standard deviation talking time for the old battery. (Use the statistics functions on your calculator to find these values). The following table shows the talking time descriptive statistics, for the newly developed battery.
Explain these results to a person who understands the t test for a single sample but knows nothing about the t test for independent means.
An experiment is conducted where two standard 6 sided dice are rolled and the sum of the numbers that show face up is recorded.
Complete the ANOVA summary table and perform post hoc comparisons, if necessary and what conclusions can be drawn from the F-ratio and the post hoc comparisons?
an average of 5 cars arrive per hour at a restaurant. assume that the number of cars arriving perhour follows poisson
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