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Data analysis

Statistics (Myers)

Subject: 
Psychology
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Descriptive statistics
Data analysis
Summary statistics
Statistics
Central tendency
Deviation
Statistical dispersion
Standard deviation
Frequency distribution
Normal distribution
Median
Mean

AP Psychology Statistics Unit 2: Statistics Reading Questions Module 7: pages 56-61 What is ?the point to remember? about statistics? The point to remember about statistics is doubt big, round, and undocumented numbers. What are descriptive statistics? Descriptive statistics is the numerical data used to measure and describe characteristics of groups; includes measures of central tendency and measures of variation. What is the ?fancy? name for a bar graph? A histogram is a bar graph depicting a frequency distribution. What is meant by measure of central tendency? A measure of central tendency is a single score that represents a whole set of scores. Define mode, median & mean. Mode: the most frequently occurring score(s) in a distribution

Chapter 19 Powerpoint Outline

Subject: 
Statistics
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Statistics
Statistical inference
Data analysis
Measurement
Statistical theory
Hypothesis testing
Confidence interval
Sampling distribution
Standard deviation
Statistical power
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AP Stats

Stats: Modeling the World Chapter 19 Confidence Intervals for Proportions Making an educated guess? Rarely do we actually know information about our population. Usually we: - take a sample - find a sample statistic - make a guess about the true parameter value Our guess will be a bit off, this is the idea of a confidence interval. The sample proportion ? Recall from Chapter 18 that the sampling distribution model of ? is centered at p, with standard deviation . Since we don?t know p, we can?t find the true standard deviation of the sampling distribution model, so we need to find the standard error: The Empirical Rule Revisited? By the 68-95-99.7% Rule, we know - about 68% of all samples will have ? ?s within 1 SE of p

How to make a linear regression

Subject: 
Algebra
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Multivariate statistics
Covariance and correlation
Data analysis
Estimation theory
Parametric statistics
Regression diagnostics
Correlation and dependence
Correlation coefficient
Coefficient of determination
Linear regression
Regression analysis
G factor

How to make a linear regression Using TI-84 PSE And how to calculate the correlation coefficient (r) and thecoefficient of determination(r^2) Press mode Stat editenter data Stat?calc?LinReg(ax+b) Alpha?f4(trace)?y1..enter Write your correlation coefficient and thecoefficient of determination. Go to y= and turn on plot 1 Zoom?Zquadrant?enter Answers Clear y1 and turn off plots 2nd mem (+)...4?enter Modemake it look like this 2nd Quit (mode)?2nd off(on)
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STATISTICS!!

Subject: 
Statistics
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Descriptive statistics
Data analysis
Statistics
Sampling
Summary statistics
Means
Regression analysis
Standard deviation
Standard error
Errors and residuals
Standard score
Mode

Statistics Review Test 1 College Now Chapter 1: ? Data consists of information coming from observations, counts, measurements, or responses. The singular for data is datum. ? Statistics is the science of collecting, organizing, analyzing, and interpreting data in order to make decisions. ? A population is the collection of all outcomes, responses, measurements, or counts that are of interest. ? A sample is a subset of a population. ? A Parameter is a numerical description of a Population characteristic. ? A Statistic is a numerical description of a sample characteristic. ? Descriptive statistics ? branch of statistics that deals with the organization, summarization, and display of data
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