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13 Cards in this Set

  • Front
  • Back

Parameter

Is a numerical measurement describing some characteristic of a population.

Statistic

Is a numerical measurement describing some characteristic of a sample.

Quantitave data

Consist of numbers representing counts or measurements.

Qualitative ( or categorial or attribute)

Data can be separated into different categories that are distinguished by some non-numerical characteristic.

Discrete data

Result when the number of possible values is either a finite (that is the number of possible values is 0, 1, or 2, and so on).

Continuous (Numerical Data)

Result from infinitely many possible values that correspond to some continuous scale gapes, interruptions or jumps.

The Nominal level of measurement

Is characterized by data that consist of names, labels, or categories only. The data cannot be arranged in an ordering scheme (such as low to highs).

Interval Level of measurement

Is like the ordinal level, with the additional property that the difference between any two data values is meaningful. However, data at the level Do not have a natural zero point (Where none of the quantity is present).

The ratio level of measurement

Is the interval level with the additional property that there is also a natural zero, starting point (where zero indicates that none of the quantity is present). For values at this level, differences and ratios are both meaningful.

The Nominal level of measurement

Is characterized by data that consist of names, labels or categories only. The data cannot be arranged in any ordering scheme (such as low to high).

Data are at the Ordinal level of measurement

If can be arranged in some order, but difference between the data values either cannot be determine or are meaningless.

The interval level of measurement

Is like the ordinal level, with the additional property that the difference between any two data values is meaningful. However, data at this level do not have a natural zero starting point.

The Ratio level of measurement level with the property that there

Is also a Natural zero starting point (Where zero indicates none of the quantity is present). For values at this level differences and ratios are both meaningful.