Mathematics, 12.11.2019 09:31, tricklts15

# Suppose the population mean of a sample of the nest counts is 28 examples of 6 - 9 nestlings with a standard deviation of 3. which of the following would be a reasonable inference to make about the sample?

the population and the sample statistics should be the same.

the population statistics over-counted the number of nestlings.

the sample represents the population.

the sample undercounts the population of nestlings.

Answers: 1

Mathematics, 26.07.2019 01:20, savannahsims5847

In the population, “intelligence quotient” scores (iq’s) are approximately normally distributed with a mean of 100 and a standard deviation of 15. suppose we plan to obtain iq scores of a random sample of n = 30 individuals, and then we’ll compute the sample mean and sample standard deviation. suppose you were unsure of the value of the population standard deviation, and so you plan to use only the sample standard deviation. find the exact probability that the sample mean will be within one-third of one sample standard deviation of the population mean.

Answers: 2

Mathematics, 02.08.2019 04:20, 7obadiah

Suppose the population mean of a sample of the nest counts is 28 examples of 6 - 9 nestlings with a standard deviation of 3. which of the following would be a reasonable inference to make about the sample? a. the population and the sample statistics should be the same. b. the population statistics over-counted the number of nestlings. c. the sample represents the population. d. the sample undercounts the population of nestlings.

Answers: 2

Mathematics, 27.09.2019 18:10, VamL6008

Assume a population of 3, 5, and 10. assume that samples of size n=2 are randomly selected with replacement from the population listed below are the nine different samples complete parts a through d below: 3.3 3.5 3.10 5.3 5.5 5.10 10.3 10.5 10.10 a) find the value of the population standard deviation b) find the standard deviation of each of the nine samples then summarize the sampling distribution of the standard deviation in the format of a table representing the probability distribution of the distinct standard deviation values use ascending order for the sample standard deviations c) find the mean of the sampling distribution of the sample standard deviations d) do the sample standard deviations target the value of the population standard deviation? in general do sample standard deviations make good estimators of population standard deviations? why or why not?

Answers: 1

Mathematics, 14.10.2019 22:30, buiratsamah

Suppose the population mean of a sample of the nest counts is 28 examples of 6 - 9 nestlings with a standard deviation of 3. which of the following would be a reasonable inference to make about the sample? athe population and the sample statistics should be the same. bthe population statistics over-counted the number of nestlings. cthe sample represents the population. dthe sample undercounts the population of nestlings.

Answers: 2

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