PPT-How Margin of Error, deviation from the mean, and standard

Analyzing Statistics In the News Looking at Statistics In the News Objectives Students will be able to calculate the standard deviation of a set of data Students will be able to explain the reliability of a set of data using measures such as margin of error and standard deviation. . .. . BY. John Loucks. St. . Edward’s. University. .. .. .. .. .. .. .. .. .. .. .. Chapter 8. Interval Estimation. Population Mean: . s. Known. Population Mean: . s. Unknown. Determining the Sample Size. for . AP Biology. Statistics are helpful to better understand the meaning of a sample data set. What do these numbers actually MEAN?. Data analysis allows you to…. Arrive at conclusions about your data. First center (expected value). Now - spread. 4.2 (cont.) Standard Deviation of a Discrete Random Variable. Measures how “spread out” the random variable is. Summarizing data and probability. Data. 1. Why understanding probability is important?. What is normal curve. How to compute and interpret z scores.. This week. 2. The chance of winning a lotter. The chance to get a head on one flip of a coin. TIPS FOR APLIA. Developed By: . Ethan Cooper (Lead Tutor) . John Lohman. Michael Mattocks. Aubrey Urwick. Chapter . 7: . Distribution of Sample Means. Key Terms: Don’t Forget Notecards. Sampling Error (p. 201). : . Standard . Error of the Mean. Carol Leibl. National Math and Science Initiative. Dallas, TX . 2. Sampling and Capturing the Actual Mean. Let’s suppose that 3 students are assigned to determine the mean of black-eyed peas from a 3 lbs. bag of black-eyes peas.. Variability. The differences between individuals in a population. Measured by calculations such as Standard Error, Confidence Interval and Sampling Error.. Variability gives an indication of the effort required to estimate population parameters with confidence.. Blake Laing. Southern Adventist University. I. uncertainty . Measurements have . no meaning. without a quantified experimental error/uncertainty . George: . What can he conclude?. Martha: . Statistics are helpful to better understand the meaning of a sample data set. What do these numbers actually MEAN?. Data analysis allows you to…. Arrive at conclusions about your data. Make claims about your data. Standard Deviation and a Bell Shaped Curve. Bozeman Biology Video on Standard Deviation. Standard deviation measures the spread or the variation in the data. 68% of the individuals are within 1 standard deviation . Statistics are helpful to better understand the meaning of a sample data set. What do these numbers actually MEAN?. Data analysis allows you to…. Arrive at conclusions about your data. Make claims about your data. Standard Deviation. Standard Deviation – measure . how spread out the data is from the mean. Lower standard deviation:. Data is . closer to the mean. Greater likelihood that the independent variable is causing the changes in the dependent variable. Standard Deviation . and Standard Error. Standard Deviation:. A measure of . how spread out . the data is . from the mean. Lower standard deviation:. Data is . closer to the mean. Greater likelihood that the independent variable is causing the changes in the dependent variable. What’s the big deal? . The basis of living organisms, and the heritable information they contain, is a collection of atoms and molecules linked together by chemical bonds that are organized in a hierarchy of structural levels that require constant input of energy..