Calculate population proportion statistics

    • [DOC File]Chapter 5: From Probability to Inference

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      6.3 Tests for a Population Proportion. Know what conditions must be checked in order to run the hypothesis test for a population proportion. Be able to define the null and alternative hypothesis for testing a population proportion using a . large sample. Be able to calculate the test statistic, which is a z-value in this case.

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    • [DOC File]Class notes - San Diego Mesa College

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      8.2 Estimating a Population Proportion (pp.484-494) In statistics, what is meant by a sample proportion:? ... 9.2 Tests about a Population Proportion (pp.549-561) ... Explain how to calculate the expected counts for a test that compares the distribution of a …

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    • [DOC File]Topic 162: Sampling Distributions I: Proportions (Day Two)

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      This proportion is called a parameter. We then procede by taking a sample, and calculate the proportion of voters in our sample that plan to vote for candidate X. This sample proportion is called a statistic. All statistics are computed from sample values. How does the sample statistic tell us about the population parameter?

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    • Proportion: Confidence Interval

      Assume that these patients are representative of the population of individuals who have lung cancer. Calculate the sample proportion successfully treated. =134/245 = 0.547. Determine a 95% C.I. for the proportion successfully treated. (Calculate M.O.E. using both the conservative estimate and the sample proportion estimate).

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    • [DOC File]Chapter 10: Estimating Proportions With Confidence

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      Estimating a Population Proportion: Requirements. The sample is a simple random sample. The conditions for the binomial distribution are satisfied. (See Section 5-3.) There are at least 5 successes and 5 failures. Notation: population proportion. sample proportion of x successes in a sample of size n. sample proportion of failures in a sample ...

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    • [DOC File]Confidence Interval for a Proportion

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      Repeat (c) if the population proportion had really been .6. Working only with multiples of .01 (e.g., .60, .61, .62,…) determine and list all potential values of the population proportion for which the observed sample proportion .69 falls within two standard deviations of in the sampling distribution. Show calculations to support your list.

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    • [DOC File]The Practice of Statistics

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      Calculate and interpret a confidence interval estimate for the true proportion of all young adults age 18 to 24 who ever used online dating. Use a 95% confidence level. PRACTICE EXAMPLE 8: Suppose a survey of 500 people age 18 to 34 indicated that 32.2% of them live with one or both of their parents.

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