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AP Statistics Chapter 2 Agenda – Modeling Distributions of Data Day Objectives: Students will be able to… Homework I can use percentiles to locate individual values within distributions of data. Textbook Problems: 1, 5, 39, 40 Strive: Complete pp. 26-28 I can use percentiles to locate individual values within distributions of data. I can interpret a cumulative relative frequency graph. I can find the standardized value (zscore) of an observation. Interpret z-scores in context. Topics 1 Chapter 1 Wrap-Up Lab: Human Dot plot & Intro to Percentiles 2 Section 2.1 Introduction, Measuring Position: Percentiles, Cumulative Relative Frequency Graphs, Measuring Position: z-scores 3 Section 2.1: Transforming Data, Density Curves 4 Section 2.2: Normal Distributions, The 68-95-99.7 Rule, The Standard Normal Distribution, Technology: Standard Normal Curve Calculations with the Calculator and with an Applet I can describe the effect of adding, subtracting, multiplying by, or dividing by a constant on the shape, center, and spread of a distribution of data. I can approximately locate the median (equal-areas point) and the mean (balance point) on a density curve. I can use the 68–95–99.7 rule to estimate the percent of observations from a Normal distribution that fall in an interval involving points one, two, or three standard deviations on either side of the mean. I can use the standard Normal distribution to calculate the proportion of values in a specified interval. I can use the standard Normal distribution to determine a z-score from a percentile. Textbook Problems: 1, 5, 7, 9, 11, 13, 15, 75 Reading: pp. 83-91 Textbook Problems: 19, 21, 23, 31, 33-38, 76 Reading: pp. 92-104 Strive: Complete p. 29 Textbook Problems: 41, 43, 45, 47, 49, 51 Reading: pp. 110-119 Strive: Complete p. 30 5 Section 2.2: Normal Distribution Calculations, Technology: Normal Curve Calculations with the Calculator and with an Applet 6 7 8 Section 2.2: Assessing Normality, Normal Probability Plots on the Calculator Chapter 2 Review Chapter 2 Test & Chapter 2 Homework Journal is due Textbook Problems: 53, 55, 57, 59 I can use Table A to find the percentile of a value from any Normal distribution and the value that corresponds to a given percentile. I can make an appropriate graph to determine if a distribution is bellshaped. I can use the 68-95-99.7 rule to assess Normality of a data set. I can interpret a Normal probability plot Summary of all ‘I can’ statements and concepts All HW problems should be finished prior to test Strive Book Chapter 1 should be completed prior to test Reading: pp. 119-124 Strive: Complete p. 31top of p. 32 Textbook Problems: 63, 65, 66, 68, 69-74 Reading: pp. 124-130 Strive: p. 32-33 Strive: Complete checklist in Strive book Practice MC & FR problems Crossword Puzzle for Vocab Begin Chapter 1 & 2 Alternative Assessment