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A simple random sample of n = 20 plots are selected for an aerial survey and the following numbers of moose are detected: 0, 0, 0, 0, 1, 2, 6, 11, 5, 1, 9, 3, 1, 0, 10, 4, 7, 22, 0, 0. Assuming detectability of 0.89, estimate the mean number of moose and give an estimate of variance. The study region contains N = 100 plots.
In which of the following markets do all firms sell the same standardized product?
Use the binomial distribution in the Data Analysis add - in to simulate the distribution of men and women among the next ten arrivals at an emergency room, assuming that, on average, six people out of ten who arrive are men.
Assuming that the manager's claim is correct, calculate the probability that 117 or fewer of 205 randomly selected marketing researchers would disapprove of the scenario.
For the preceding problem you should find that there are significant differences among the three treatments. One reason for the significance is that the sample variances are small.
Determine mean of distribution shown. Give the mean of following probability distribution?
In how many ways can a committee consisting of 2 faculty members and 4 students be formed if there are 12 faculty members and 14 students eligible to serve on the committee.
Calculate the sample statistic and standard error you will use to create the test statistic.
With a single-sample t ratio, the null hypothesis states that:
Compute the standard error of the mean O(funny o with line) line over x, for sample sizes of 50, 100, 15o, and 200. What can you say about the size of the standard error of the mean as the sample size is increased?
A cereal manufacturer seeks to test their newest product against competitor's. A group of 100 children was asked to measure each brand, and then to express a preference.
Interpret the correlation between each set of variables.
researchers claim that herbal supplements such as ginseng or ginkgo biloba enhance human memory.to test this claim a
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