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A population consists of the following 0,0,1,3,6.
a. List all samples of 3 and compute the mean of each sample
b. Compute the mean of the distribution of sample means and population mean. compare the two values
c. Compare the dispersion in the population with that of the sample mean.
Also how do you use exel to find the samples of 3?
What is their maximum error of the estimated mean quality for a 92% level of confidence and an estimated standard deviation of 8?
A computer diskette manufacturer is concerned that some diskettes have bad sectors that would cause a diskette to hold less information than it was intended to hold.
In the last municipal election, a sample of 350 registered voters showed that 85 voted for the incumbants. Find out a 98% confidence interval estimate for the proportion of all voters voting for the incumbants.
If true explain and if false give an example. a. The significance level of a statistical test is equal to the probability that the null hypothesis is true. b. If the significance level of a test is decreased, the power of the test would be expected t..
Find the probability that exactly 15 flights arrive on time.
Graph the information using a histogram and a scatter plot in Excel as well. How does seeing the information in a graphical format provide more information?
Finding the probability of a pointer to land in a color among given three colors.
Make a scatter plot, illustrate the regression lines. Determine the correlation coefficient between husband’s and wife’s education for couples in which wife is employed full time?
What type of error would result in that case? Respond to at least two of your classmate's postings.
At 5% level of significance, is there evidence of difference in mean life of bulbs made by the 2 kinds of machines. What is your conclusion?
Determine the 95% confidence interval for your estimate what data have you utilized as the basis of your predictions what suppositions have you made.
Assume that the class has 60 students and that the examination period is 90 minutes in length. How many students do you expect will be unable to complete the exam in the allotted time.
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