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Find population percentages using z-scores and tables
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Find population percentages using z-scores and tables
In this lesson you will learn how to find what percentage of a population falls within a certain interval by using z-scores and tables.
ADDITIONAL MATERIALS
STANDARDS
VA.S.AII.11.a identify and describe properties of a normal distribution;
CCSS.HSS-ID.A.4 Use the mean and standard deviation of a data set to fit it to a normal distribution and to estimate population percentages. Recognize that there are data sets for which such a procedure is not appropriate. Use calculators, spreadsheets, and tables to estimate areas under the normal curve.
FL.MAFS.912.S-ID.1.4 Use the mean and standard deviation of a data set to fit it to a normal distribution and to estimate population percentages. Recognize that there are data sets for which such a procedure is not appropriate. Use calculators, spreadsheets, and tables to estimate areas under the normal curve.
IN.PS.DA.2 Compute and use mean, median, mode, weighted mean, geometric mean, harmonic mean, range, quartiles, variance, and standard deviation. Use tables and technology to estimate areas under the normal curve. Fit a data set to a normal distribution and estimate population percentages. Recognize that there are data sets not normally distributed for which such procedures are inappropriate.
TEKS.S.6.E interpret confidence intervals for a population parameter, including confidence intervals from media or statistical reports;
In this lesson you will learn how to find what percentage of a population falls within a certain interval by using z-scores and tables.
ADDITIONAL MATERIALS
STANDARDS
VA.S.AII.11.a identify and describe properties of a normal distribution;
CCSS.HSS-ID.A.4 Use the mean and standard deviation of a data set to fit it to a normal distribution and to estimate population percentages. Recognize that there are data sets for which such a procedure is not appropriate. Use calculators, spreadsheets, and tables to estimate areas under the normal curve.
FL.MAFS.912.S-ID.1.4 Use the mean and standard deviation of a data set to fit it to a normal distribution and to estimate population percentages. Recognize that there are data sets for which such a procedure is not appropriate. Use calculators, spreadsheets, and tables to estimate areas under the normal curve.
IN.PS.DA.2 Compute and use mean, median, mode, weighted mean, geometric mean, harmonic mean, range, quartiles, variance, and standard deviation. Use tables and technology to estimate areas under the normal curve. Fit a data set to a normal distribution and estimate population percentages. Recognize that there are data sets not normally distributed for which such procedures are inappropriate.
TEKS.S.6.E interpret confidence intervals for a population parameter, including confidence intervals from media or statistical reports;
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