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A resistant statistic is a numerical summary of the data that is "resistant" to the influence of outliers. In other words, an outlier is not likely to have a major influence on its numerical value.
Two of the summary measures from the list mean, median, range, and interquartile range are resistant, while the other two are not. Explain which two are resistant and which two are not.
The proportion of adults in the sample, as her estimate of p, the proportion of adults in the pond population. Find using the normal approximation with the continuity correction.
Do male and female school superintendents earn the same pay? A sample of male and female school superintendents showed the following salaries in $'000.
The resulting list of twenty values has a mean of 4.4 and a standard deviation of 4.2. Construct a 99% confidence interval to estimate the difference between the mothers and fathers.
What is the shape of the theoretical sampling distribution of the mean for samples of (a) 10 if the parent population is normal? (b) 50 if the parent population is not normal?
Also include information about the number of participants you would assess and how you would go about estimating effect size and statistical power (when relevant).
As your final writing assignment for this class, you will write a paper that analyzes a topic relevant to the relations between the medical and the social. Analyzing a complex topic means breaking it into smaller parts to understand it better.
a motel accepts 340 reservations for 315 rooms on july 1 expecting 10 percent no-shows on average from past records.
what is the sample space of all possible outcomes? Are the outcomes equally likely?
Suppose that a malfunction was reported and it was found to be caused by other human errors. What is the probability that it came from station C?
Suggest appropriate ways of segmenting the markets for the following products or services: (a) rail travel; (b) banks; (c) ballpoint pens; (d) package holidays.
what are the three most important things you learned about sampling? write 5 sentences
An economist wishes to estimate the average family income in a certain population.- What is the probability that the sample mean will fall within $800 of the population mean?
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