a brief version elementary statistics chap 3
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| show | a characteristic or measure obtained by using the data values from a SAMPLE.
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| parameter | show 🗑
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| mean | show 🗑
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| show | the midpoint of the data. - arrage numbers in order and select the middle point (MD)
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| mode | show 🗑
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| show | the sum of the lowest and the highest values in the data set divided by 2 (MR)
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| show | a type of mean that considers an additional factor by assigning a corresponding weight to each value. multiply the weight by each value then find the sum of all. Then divide by the sum of all weights.
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| show | majority of the data fall to the left of the mean. mode/median/mean
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| show | majority of data values fall to the right of the mean and cluster at the upper end. mean/median/mode
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| show | highest value minus the lowest value. (R)
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| variance | show 🗑
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| standard deviation | show 🗑
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| coefficient of variation | show 🗑
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| Chebyshev's Theorem | show 🗑
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| symetrical distribution | show 🗑
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| empirical rule | show 🗑
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| standard score or z score | show 🗑
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| percentiles | show 🗑
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| show | dividing the distribution into four groups
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| decile | show 🗑
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| outlier | show 🗑
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| interquartile range | show 🗑
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| stem and leaf plot | show 🗑
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| show | data arranged in a line plot centered around five specific values. (minimum value, Q1, median, Q3, maximum value) called five-number summary.
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| show | statistic that is relatively less affected by outliers than others. (ex. median and interquartile range)
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| show | statistic that is relatively more affected by outliers. (ex. mean and standard deviation)
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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.
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:
newbytutor
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