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Compute a 95% confidence interval for the population mean, based on the sample 1.5, 1.54, 1.55, 1.51, 0.09, 0.08, 1.55, 0.07, 0.99, 0.98, 1.12, 1.13, 1.00, 1.56, and 1.53. Change the last number from 1.53 to 50 and recalculate the confidence interval. Using the results, describe the effect of an outlier or extreme value on the confidence interval.
control chart for x bar is maintained on a quality characteristic which is normally distributed.the sample size is n4.
How do I find T, S and B multiples if g=2,5,and 10 pairwise comparisons are to be made with a 95 percent family confidence coefficient
IQ tests generally have scores in which the mean is 100, and the standard deviation is 16. If your IQ score was 134, what percentage of the population would have a higher IQ than you?
the time t between emissions radioactive emissions has an eponential distribution with a mean of 4 seconds between
construct a one-page description to introduce one-way anova. you need to mention why anova is useful how it is carried
Suppose that the probability distribution of a random variable x can be described by the formula. Calculate the variance and standard deviation.
Create a research question for one of the following groups: students, children or women. Include the independent and dependent variables you would study, an explanation of whether a one or two-tail test is most appropriate
we write the numbers 1 -10 on separate pieces of paper and put them into a box. a number is drawn from the box. find
Computer-generated output indicates that the p-value for the sample is 0.01. Carefully interpret this p-value. At what levels of significance would you reject the null hypothesis?
The amount of money requested on a home loan application at federal savings follow the normal distribution, with a mean of $270,000 and a standard deviation of $35,000. A loan applicatiom is received this morning. What is the probability:
Suppose that 20% of the homes in a neighborhood has a swimming pool in their backyards and 50% has a garage. 15% of homes have both a garage and a swimming pool.
in a recent poll 778 adults were asked to identify their favorite seat when they fly and 492 of them chose a window
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