Stats Exam 1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is a statistic | Summarized value of a sample
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| what is a sample | subset of a population
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| what is a paramater | summarized value of population
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| what is statistics | study of variation
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| what type of data do we deal with | continous, raw, normal, interval
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| what is central tendency | single score used to represent all the scores
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| what is variability | scatter or spread of scores
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| what is deviation | how far the raw score from the mean is
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| what is variation | sum of square deviations from mean
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| what is variance | mean squared
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| formula for standard deviation | square root of MS
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| formula for Variance | MS or Ssquared. SS/(n-1)
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| Formula for variation | SS= Sum of (Y2) - (Sum Y)2/n
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| Sum of scores | Sigma Y
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| Sum of squared scores | Sigma (Y2)
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| Sum of scores squared | (Sigma Y) 2
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| sum of squares |
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
brej12
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