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Using R, set the R variable val=0. Next, generate 25 values from a binomial distribution where the possible number of successes is 0-6 and the probability of success is 0.9. This can be accomplished with the command rbinom(20,6, 0.9). The resulting observations will have values between 0 and 6 inclusive.
Compute the median and store it in the R variable val. Repeat this process 5000 times. You can use the R command for(i in 1:5000) val[i]=median(rbinom(20,6, 0.9)). Speculate about what the plot of the resulting values will look like and check your answer using the R command splot(val).
What do these results say about testing with group data? Include in your answer the URL of the site where you found the necessary data.
The sample mean is 2.59 and the sample standard deviation is .66. Conduct the following test using 95% level of confidence.
According to Fortune, Missouri is within 500 miles of 44% of all U.S. manufacturing plants 8. If a Missouri company needs parts manufactured in 122 different plants, what is the probability that at least half of them can be found within 500 miles ..
a company produces packets of soap powder labeled giant size 32 ounces. the actual weight of soap powder in such a box
the fox tv network is considering replacing one of its prime-time crime investigation shows with a new family-oriented
Show that E(s2) = σ2 in simple random sampling, where the sample variance s2 is defined with n - 1 in the denominator and the population variance σ2 is defined with N - 1 in the denominator.
a. Determine if the problem is either a test of hypothesis, a confidence interval or something else and specify the 'key words' found in the problem that demonstrate your choice.
If the ball is red put it back into the urn. If the ball is black, replace it with a red ball. Let X be the number of picks needed to get the fourth black ball. Find E[X].
Is there sufficient evidence at the alpha =0.05 level to support the researcher's claim?
What if the assumption E[u/x]=0 is not satisfied? Illustrate using an example. Explain the relationship represented by a population regression function.
a test score of 84 was transformed into a standard score of -1.5. if the standard deviation of test scores was 4 what
A new car is designed to run a mean of at least 50 000 kilometers before its first tune-up. Tests with 30 cars show a sample mean of 49 500 kilometers and a sample standard deviation of 1000 kilometers.
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