Determine mean-variance and standard deviation of mean
Determine the mean, variance and standard deviation of Y in terms of the mean and variance of X (with E[X] = 5 and var(X) = 9), where Y = X - E[X].
Now Priced at $5 (50% Discount)
Recommended (98%)
Rated (4.3/5)
A new standarized distribution of m=100 and deviation = 20 find the new standarized score for each of the following values from the original population.
In an experiment involving matched pairs, a sample of 13 pairs of observations is collected. The degree of freedom for the t statistic is 11.
The sample mean was 407 and the sample standard deviation 6. Using the .01 significance level. Compute the value of the test statistic.
Suppose a fast food restaurant wishes to estimate average sales volume for a new menu item. The restaurant has analyzed the sales of the items at a similar outlet and observed the following results:
let I_a be an indicator function of A. show that the indicator of A compliment is 1- indicator of A.
In our example of research on lipstick, where E = $2 and S = $29, what sample size would we require if we desired a 99 percent confidence level? What about if we keep the 95 percent confidence level, but decide that our acceptable error is $4?
On a certain examination the average score is 53 and the standard deviation is 6. Find a range of values within which at least 75% of the scores will fall.
Assume that 1cm^3 contains 25 drops of water. Remember that this is an order-of-magnitude problem.How many drops of water are in all the oceans on earth?
1925046
Questions Asked
3,689
Active Tutors
1420064
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Prior to your taking this graduate HR law class you had heard of the term "gender stereotyping," but didn't know much about it.
You are a social worker working with foster children. You are making a home visit to Katie, age nine, and her foster family.
Think about where you were the most and least engaged when reading a classmate's draft. Think about what captured your attention
Adler believed that your birth order determines, to a large extent, your personality. He stated that your traits reflect, somehow, how you have achieved
Identify and discuss three ethical guidelines that are important to consider when designing an 8-week group for adolescents who are referred
Outline a social issue that is important to you. Describe why it is important to you, why it is important from a societal perspective and how you think
What is another way to say ". It is important to ensure that the youth understand what the study involves, what their participation entails