Term
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Definition
| This form of central tendency is not stable |
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Term
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Definition
| This form of central tendency does not clearly represent a central mark |
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Term
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Definition
| Score which has occurred the highest number of times in a set of data. |
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Term
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Definition
| Score which comes in the middle of the list when we have listed the data from lowest to highest. |
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Term
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Definition
| Does not use all information in the scores. It is not always representative of the other scores in the data. |
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Term
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Definition
| This form of central tendency is not affected by outliers. |
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Term
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Definition
| Changing scores in the data would likely not affect this form of central tendency. |
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Term
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Definition
| This mode of central data is an average score of the data. |
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Term
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Definition
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Term
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Definition
| The position of a score with a distribution of scores |
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Term
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Definition
| Provides a measure of how many standard deviation units a specific score falls above or below the mean. |
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Term
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Definition
| Also referred to as a z-score. |
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Term
| Standard Normal Distribution |
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Definition
| Has a mean of 0 and standard Deviation of 1 |
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Term
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Definition
| Determined by measuring the degree of the a skew |
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Term
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Definition
| A normal distribution is symmetircal |
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Term
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Definition
| Symmetrical distribution has a symmetrical distribution. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| degree of symmetry in a distribution. |
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Term
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Definition
| Degree to which a distribution differs from the bell-shaped normal distribution in terms of its peakness. |
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Term
| Probability Values Ranges |
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Definition
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Term
| Probability of 0 indicates |
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Definition
| an event will never occur |
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Term
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Definition
| indicates it will always occur |
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Term
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Definition
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Term
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Definition
| Each member of population has an equal chance of being chosen for the sample. |
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Term
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Definition
| Select an available sample (i.e.) University students. that is not necessarily random. |
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Term
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Definition
| Refers to Sample population |
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Term
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Definition
| Refers to the entire population |
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Term
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Definition
| Statistical tests that use the characteristics (parameters) of populations or estimates of them. |
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