'Press stat' diaporamas de présentation

Using a Graphing Calculator

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Sections 3-1 and 3-2

Sections 3-1 and 3-2. Review and Preview and Measures of Center. TWO TYPES OF STATISTICS. Descriptive statistics summarize or describe the important characteristics of data. Inferential statistics use sample data to make inferences (or generalizations) about a population.

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Section 3-4

Section 3-4. Measures of Relative Standing and Boxplots. THE z SCORE. The z score (or standardized value ) is the number of standard deviations that a given x value is above or below the mean. It is found using the following expressions. Sample : Population : .

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Examining Relationships

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or 18.1%

Warm-Up 5/06 . The table below shows the number of students who are varsity and junior varsity athletes. Find the probability that a student is a senior given that he or she is a varsity athlete. or 18.1%.

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Real Data Analysis

Real Data Analysis. Linear VS Non-Linear. Regression http://n-steps.tetratech-ffx.com/PDF%26otherFiles/stat_anal_tools/regression_final.pdf. One of the most common statistical modeling tools used, regression is a technique that treats one variable as a function of another.

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Functional Relationships

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Average Height

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7.1 Fitting Data to a Line

7.1 Fitting Data to a Line. Essential Question: How can we use math to predict the future? . Fitting a Line to Data. This is called three different things: Least Squares Regression Linear Regression Best Fit Line

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Linear Regression

Linear Regression. A process to find the equation of a line that bests fits a set of 2-variable data. A Reasonable Estimate Median Median Line. Split the points into 3 equal parts Find the x-median and y median of each part to find median-median points

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Data Analysis - Exponential and Logarithmic Regression

Exponential Function. Logarithmic Function. Data Analysis - Exponential and Logarithmic Regression.

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Math on the Mind

Math on the Mind. Find the mean, median, and mode. Which measure of central tendency best describes the data? 49 52 53 56 62 61 55 52. mean 55; median 54; mode 52; The mean best describes the data. Using the TI-83+ to find the Mean & Median of Data. Unit 2, Lesson 2.

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Line of Best Fit

Line of Best Fit. Unit 8, Day 4. Definition:. Line of Best Fit or a trend line is a straight line on a Scatter plot that comes closest to all of the points on the graph. A Line of Best Fit may pass through some of the points, none of the points or all of the points.

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Summary Stats from the TI-83/84

Summary Stats from the TI-83/84. Press STAT, Enter (for EDIT) If there are old data under L1: Press the up arrow, then CLEAR, ENTER Enter data values in L1 one at a time, pressing ENTER after each.

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Advanced Algebra II Notes 1.4 Graphing Sequences

Advanced Algebra II Notes 1.4 Graphing Sequences. Turn to page 51 in your textbook. For each table, choose a recursive formula and a graph that represents the same sequence. 1. _________ _________ 2. _________ _________ 3. _________ _________ 4. _________ _________

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Exponential Regression - Calculator

Exponential Regression - Calculator. Enter the data Press STAT then EDIT 1 . Type in the values in List 1 (x values) and List 2 (y values) . Plot the data Press 2 nd , and STATPLOT , and then Enter #1 .

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Temperature

Temperature. 10. 15. 20. 25. 30. Atmospheric Pressure. 1003. 1005. 1010. 1011. 1014. Calculating Linear Regressions (y = ax + b) on Calculators. Correlation Coefficient: 0.982607368. For TI-83 Plus: Enter data in 2 lists Exit lists and then press STAT

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