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Give an example of how ANOVA may be useful for your area of research. State a null and alternative hypothesis and clearly define the variables you would study (IV and DV).
the mean price of ground beef in 75 cities in the midwest is 2.11 and teh standard deviation is .56. a midwest grocer
A much larger sample would be needed to estimate the proportion of the U.S. Army's 2.4 million active duty and reserve personnel who approved the repeal than would be needed to estimate the proportion of the Marine Corp's 200,000 personnel who fel..
A sample of 50 bottles reveals a mean weight of 502.1 ml. Construct and interpret a 90% confidence interval for the mean. Be sure to interpret the meaning of this interval.
situations comparing two proportions are described. in each case determine whether the situation involves comparing
assume that womens heights are normally distributed with a mean given by u62.3in and a standard deviation given by
The life expectancy of a lung cancer patient treated with a new drug is normally distributed with a mean of 4 years and a standard deviation of 10 months.
in a group of 135 high school students 57 went to college. more precisely 30 of those who went to college were women
The standard deviations s1 and s2 can be used when Ó1 and Ó2 are unknown and you believe that the underlying distribution is normal. Then, you would use s1 and s2 with the t-test for hypothesis testing.
a set of blocks painted three colors is on a table in front of you some in bag 1 and some in bag 2. the colors are blue
For a binomial probability experiment, with n=150 and p=.2, it is appropriate to use the normal approximation to the binomial distribution.
in a survey of 1116 people 866 people said that they voted in a recent presidential election voting records show that
the heights of all female college basketball players in the ncaa are normally distributed with a mean of 68 inches and
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