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What do we mean by a "utopian community"?
Where there different kinds of them?
Describe the North American Phalanx.
How did it work?
How does it fit into the "utopian picture" of the rest of the American communities? Is it unusual?
Why was it so successful?
Two mating parts have critical dimensions x1 and x2 as shown below. Assume that x1 and x2 are normally distributed with means 1 and mean2 and standard deviations s1 = 0.400 and s2 = 0.300.
The sample proportion who reported drinking alcohol frequently was 0.092. When this is the cutpoint for forming a classification table, sensitivity = 0.53 and specificity = 0.66. Explain what these mean.
in their october 2003 issue consumer reports evaluated the price and performance of 23 models of cordless phones.
1. List the four steps of hypothesis testing, and explain the procedure and logic of each. 2. Based on the information given for the following studies, decide whether to reject the null hypothesis. Assume that all populations are normally distribut..
Explain the limitations presented by the study population and sample size used. Support your explanation with examples from the study. Discuss the advantages and disadvantages of the type of statistical analysis used.
a statistics instructor wishes to find out the relationship between the classification of a student and the students
What is the probability of selling your home for the median price in your city (My zip code is 91730 Alta Loma). How has the graphical display of data changed in the last 10 years? How will it change in the next 10 years?
The standard deviation is 2 pounds. If 15% of the suitcases are overweight, Determine the maximum weight allowed by the airline. Assume the variable is normally distributed.
All porcelain figurines are fragile artifacts. Therefore, it is false that some porcelain figurines are not fragile artifacts.
After testing whether social class and welfare spending were related, you derive a chi-square (obtained) of 17.64, with 6 degrees of freedom. If alpha is set at 0.01, what is your conclusion and interpretation?
An independent-measures t test produced a t statistic with df=20. If the same data had been evaluated with an analysis of variance, what would be the df values for the F-ratio?
a manufacturer claims that its wood treatment protects outdoor wood fences a mean of 2601 days with a standard
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