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Find the following sample size.
What sample size would be required to reduce the sampling means distribution's standard deviation to a half of what it was for an SRS of 30? u=20.4 and standard deviation = 5.8 what sample size would be required to reduce the sampling proportion distribution's standard deviation to one third of what it was for an SRS of 85? p=.38
q1. during 9 surveys throughout the past decade the apartment vacancy rates in minneapolis in percentage were found to
Compare AND contrast the three measures of central tendency: mean, median and mode. Is there a "best" measure of central tendency?
Twelve randomly selected mature citrus trees of one variety have a mean height of 13.8 feet with a standard deviation of 1.2 feet, and 15 randomly selected mature citrus trees of another variety have a mean height of 12.9 feet with a standard devi..
Find the Intercept and slope and Write the Regression Equation. Also predict the amount of tires (in thousand tires) sold when money invested in advertising is 5 thousand dollars. Calculate the correlation coefficient, coefficient of determination..
In trying to estimate the amount of growth that took place in the trees recently planted by the county parks commission
Plot the random effects estimates (forest plot) for models (3c) and (3d) and provide with an appropriate caption
Suppose (as is roughly true) that 88% of college students were employed last summer. A samply survey interviews SRS of 400 college students at OSU. In the SRS, 324 college students were found to be employed last summer.
Is there any evidence of a difference in variability of times for men and women who finished this vertical run? Use a = 0.05 and assume normality.
According to the U.S. Army Corps of Engineers, the top 20 U.S. ports, ranked by total tonnage (in million tons), were as follows.
a 90 confidence interval estimate for a population mean was computed to be 49.3 67.9. determine the mean of the sample
You want to make a scatterplot. Which variable would you use as the explanatory variable and which as the response variable? Why? What would you expect to see in the scatterplot? Discuss the likely direction, form, and strength.
during a national debate on changes to health care a cable news service performs an opinion poll of 470 small-business
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