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Consider the following two sample data sets.
set 1: 7 2 8 5 9
set 2: 5 16 11 8 2
a. Calculate the coefficient of variation for each data set.
b. Which data set has more? variability?
a. The coefficient of variation for set 1 is ?%
when one variable precedes the other in time and the correlation between them is high which statement can be made with
Find the 95 percent confidence interval for the mean score on each exam. Do the confidence intervals overlap? If so, what does this suggest?
A local college requires an English composition course for all freshman. This year they are evaluating a new online version of the course. A random sample of n=16 freshman is selected and the students are placed in the online course.
Biology and Environmental Science During the summer months, wildfires in the western United States pose a great hazard to people, residential and commercial.
an ecologist is studying the effects of predation on the behaviour of the common rabbit. during one hours of
Mimi purchased the set 5 years ago for $500,000. How much is the tax on this transaction before taking into consideration the 3.8% Medicare tax?
what are sampling techniques and discuss about sampling techniques? write sources from where you have got the
a) Determine the proportion of instances that the duration was less than 240 seconds. Also express the proportion as a percent. (hint: proportion is number of successes divided by total number.)
(a) Identify the null hypothesis and the alternative hypothesis. (b) Determine the test statistic. Show all work; writing the correct test statistic, with out supporting work, will receive no credit.
The original simple form of the Connecticut state lottery (ignoring a few gimmicks) awarded the following prizes for each 100,000 tickets sold. The winners were chosen by drawing tickets at random. If you hold one ticket in this lottery, what is y..
A random sample size of 41 is produced from a normal population with mean u and a standardd deviation sigma = 1.
we rolled two six-sided dice one with sides 1 2 2 3 3 4 and the other with sides 1 3 4 5 6 8. what is the distribution
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