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| the middle number(s) in a set of data that is arranged in either ascending or descending order |
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| a solitary number that is determined by adding a collection of numbers and dividing the sum by the total number added; also known as the mean. |
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| the chance of an event occurring. |
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| equal chance for the number, object, event or person to be included in the study. |
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The difference between the greatest and least value found within the data set.
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The most common measurement used to determine how widely spread the values are in a statistical calculation.
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| The study of data sets and their distribution within the set |
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| A sample that closely resembles the characteristics of the population being studied |
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| Common measurement used to determine precision of the population. |
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| _____________ allow us to understand the distribution of the data based around a common value. |
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Sometimes all values utilized to calculate the ____________ are equally distributed. Sometimes values are equally weighted and sometimes values are unequally weighted. Equally weighted means all values are counted the same toward the mean. Unequal weighting means that different values carry more value (weight) when calculating the mean.
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| Unlike mean, __________indicates what value is in the middle of a set of values |
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| The _______________ will determine an equal number of data values above and below the mean |
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| The _______________ may or may not be the same as the mean |
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How We Use Statistical Information in Healthcare
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·To determine Quality Control levels for equipment
·To establish “normal” levels for lab tests
·To determine insurance reimbursement for certain treatment plans
·To determine how much to charge for procedures
·To study the effectiveness of vaccinations
·For research on medications
·To research disease cures
·To determine mortality rates
·To determine morbidity rates
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