1.1
Statistics
- Sampling
- Samples are subsets of the population
- Ideal samples are truly representative of the population
- Probability
- The possibility of an outcome from any random event
- Numerical value between 0 and 1
- Mean
- The average value of a data set
- Median
- The middle value of a set of data which has been arranged in order of magnitude
- Mode
- The most frequent value in a data set
- Standard Deviation
- Quantifies the variability of values from the mean
- Standard Error
- Measures the accuracy of the sample mean to the population mean
- Correlation Coefficient
- The strength of linear relationship between two variables
- Confidence Interval
- A range of values defined that there is a specific probability that the true value of a parameter lies within it
- Number Needed to Treat
- The estimated number of patients that need to be treated to impact one patient
- P‐value
- The primary goal of any statistical test/analysis is to determine if a result is statistically significant which is done by a p‐value
- A p‐value less than 0.05 is generally considered statistically significant
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