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For a given n ≥ 2, consider the family of binomial distributions, for the number K of successes in n independent trials with probability p of success on each trial. Thus any estimator (statistic) is a function of K = 0, 1,..., n. Then K/n is the usual unbiased estimator of p. Show that for n = 2 there is a unique unbiased estimator of p2. For what value(s) of K are its values remarkable?
Do these measures of central tendency agree? Explain. What could the measures of dispersion tell us about the results of the quiz?
assume we want to use a .05 significance level to test the claim that p1ltp2. it we want to test that claim by using a
please give one example to explain the difference between an outlier and a data point with high leverage value. you can
The true population regression function, it isn"t. Before leaving this section we should ask and answer the following question. What"s so special about polynomials?
Assume the first patient is assigned treatment A, and whenever there is a tie in marginal discrepancy, the next patient is assigned treatment A. Use w0 = 2 and w1 = 1. Show all you work.
use the following information to answer the question. suppose that a recent poll of american households about pet
What can we say with 99% confidence about the maximum error, if we use the sample proportion as an estimate of the true proportion of claims filed against this insurance company that exceed $1,200?
What method of data collection would you use to collect data for a study where a political pollster wishes to determine if his candidate is leading in the polls?
What type of graph would you use to represent the data and why? Focus on finding relevant, personally meaningful material to work with for these students.
the life span of a battery is normally distributed with a mean of 2400 hours and a standard deviation of 20 hours.a.
determine a 95 confidence estimate for the mean time between failures mtbf of a power supply. we have 200000 hours
What is the appropriate degrees of freedom in this case? Give your answer to four decimal places. What is the lower confidence limit on the interval?
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