arabera Gary Yu 12 years ago
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Theory: Theoretical idea of drawing repeated samples of the same size from the same population.
The values found from the sample will fall within a certain range either side of the true population value--hence the idea of confidence intervals.
The theory related to the bell-shaped normal distribution which would result if repeated samples were drawn and the values of a statistic plotted.
Normal curve
On average and descrpiptive statistics meaning?
Standard deviation
Variance
Range
Median
Mode
Mean