'Middle scores' diaporamas de présentation

Research Skills

Research Skills. Week 7: Means, SDs & z-scores problem sheet (answers). Mean: Add all the scores together and divide by the total number of scores. Question 1 a. Question 1 a. Median: arrange the scores in numerical order. odd number of scores = the middle score

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Central Tendency

Central Tendency. Variables have distributions. A variable is something that changes or has different values (e.g., anger). A distribution is a collection of measures, usually across people. Distributions of numbers can be summarized with numbers (called statistics or parameters).

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Measures of Central Tendency

1.56k views • 15 slides

Descriptive Statistics

Descriptive Statistics. Research Writing Aiden Yeh, PhD. Descriptive statistics is the term given to the analysis of data that helps describe, show or summarize data in a meaningful way such that, for example, patterns might emerge from the data.

401 views • 15 slides

The Mean Variance Standard Deviation and Z-Scores

The Mean Variance Standard Deviation and Z-Scores. Chapter 2. Chapter Outline. Representative Values Variability Z-Scores Mean, Variance, Standard Deviation, and Z Scores in Research Articles. Representative Value. Uses a single number to describe a group of scores

148 views • 13 slides

Wednesday, September 30

Wednesday, September 30. Central Tendency of Distributions (Mean, Median, Mode). The mode . The mode is the score with the highest frequency of occurrences. It is the easiest score to spot in a distribution. It is the only way to express the central tendency of a nominal level variable.

234 views • 11 slides