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RESEARCH FINALS

QuestionAnswer
Which regression tool minimizes error? Best-fit line
The mean is defined as: Sum of values divided by number of values
Which of the following is a measure of dispersion? Range
What is the main focus of statistical computing? Analyzing datasets with computer tools
Which central tendency measure is most affected by outliers? Mean
Data mining is: Discovering patterns in large datasets
Which test compares sample statistic with critical values? Hypothesis testing
The median is useful because: Less affected by outliers
The mode represents: Most frequent value
Interquartile range (IQR) is: Difference between upper and lower quartiles
Correlation ranges from: -1 to +1
Standard deviation is: Square root of variance
Descriptive statistics provides: Summaries of data
Which analysis estimates population parameters from sample data? Inferential
Poisson distribution depends on: Average rate of events
Which software is open-source and popular with statisticians? R
Which software is often used by epidemiologists? Stata
Which is considered more robust when data is skewed? Median
A low p-value indicates: Evidence against null hypothesis
Standard deviation is often symbolized by: σ
Created by: PipoyKuraku
 

 



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