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Lecture notes introduction in research (psychology) (PSYC201) Numbers, Hypotheses & Conclusions $7.58   Add to cart
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Lecture notes introduction in research (psychology) (PSYC201) Numbers, Hypotheses & Conclusions
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  • Course
  • Introduction in research (PSYC201)
  • Institution
  • University Of KwaZulu-Natal (UKZN)
  • Book
  • Numbers, Hypotheses

Master the intersection of statistics and psychology with these comprehensive study notes. Unravel the complexities of data analysis, hypothesis testing, and research methodologies specific to psychological studies. Whether you're delving into correlation coefficients or inferential statistics, the...

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  • April 23, 2024
  • 5
  • 2023/2024
  • Class notes
  • Shameek
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  • psychology

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Central Tendency
TUT1 - SST

, The mean

 The mean is the arithmetic average of a group of numbers.
 The mean equals the sum of all the scores divided by the number of
scores.
 The trimmed mean - One useful way of reducing the influence of
extreme scores (also called outliers) is to exclude the highest and
lowest scores before calculating the mean. This is known as a trimmed
mean.
 Data entry errors are commonly responsible for outliers in a dataset.
A noticeable difference between the ‘ordinary’ and the trimmed mean
can be an indication that such errors have occurred.

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