PPT-Proportions and Percentages

By Louise Penny and Hilary Newton Scenario It is your 21 st birthday and you have decided to have a costume party You will provide finger foods and it is BYO drinks Your guests will leave with a . Ratios ratios are one number expressed in relation to another by dividing the one number by the other For example the sex ratio of Delaware in 1990 was 343200 females to 322968 males or 106 This can easily be expressed in terms of males to females 9 In this section we will be able to give real life examples of Fractions and Proportions. We will also learn how to solve and evaluate Fractions and Proportions in word problems.. Lesson plan goals. We are constantly using fractions everyday. Most of the time not really even noticing that we are using fractions. Have you ever checked the clock or a watch for the time? Guess what the time is a fraction of a day so any time you use a watch, clock. Questions and Answers. Fractions, Decimals . and Percentages. Finding Percentages. Percentage . Increase/Decrease. Reverse Percentages. You tube playlist . LINK. Percentages. find. Increase (1.... Decrease (100-. Pie Charts. CSCI N207 Data Analysis Using Spreadsheet. Department of Computer and Information Science, IUPUI. Lingma Acheson. linglu@iupui.edu. Pie Charts. Univariate. analysis (one data variable, good for comparing percentages among categories). Statistics. What you will learn. Be able to state the null and alternative hypotheses for testing the difference between two population proportions.. Know how to examine your data for violations of conditions that would make inference about the difference between the two population proportions unwise or invalid.. Every . A. rt. . Student . Should Know About . The Vitruvian Man . The Top Five Things . Every Art Student . Should Know About . The Vitruvian Man . Vitruvian Man. 5. The 'Vitruvian Man' is a famous drawing with accompanying notes by . Understanding and calculating percentages is an essential skill in business – market share, growth rates, interest rates, and many ratios are expressed as a percentage. This tutorial will introduce the basics of percentages, but many of the other MBTN modules will provide additional practice and contexts.. Objective: Using percentages to set up proportions. Statements. The way the statement is written helps determine what is given and what needs to be found.. p. % of what number is x. P% of y is what number. two-proportion inference tests. Chapter 22. Proportions observed in independent random samples . are. independent. Thus, we can add their variances. So…. The standard deviation of the difference between two sample proportions is . Difference Between Proportions. Sometimes we want to see if there is a significant difference between independent groups.. Control group vs. treatment group or placebo group. Men vs. women. Last year vs. this year. Yawn Seed?. Subject. Yawned?. Yes. No. Total. Yes. 10. 4. 14. No. 24. 12. 36. Total. 34. 16. 50. Trial. Number who yawned in yawn seed group. Number who yawned in no yawn seed group. Difference in proportions (yawn. The Standard Deviation percentages can be broken into smaller percentage parts. On the 5. th. slide you saw the one standard deviation above and below the mean contained 68% of the data. . Two standard deviations above and below the mean contained 95% of the data. . Proportion – Learning Outcomes Express quantities as proportions of each other using fractions, decimals, ratios, and percentages. Divide quantities into a given proportion. Express errors as a proportion. Program OutcomesData from Academic Years 2016-2020ProgramOutcomesfrom Multiple Program CoursesPO1PO2PO3PO4POCourseOutcomesfrom Multiple Program CoursesCO1CO2CO4COCourseCompetencies from Multiple Progr