Exploring One–Variable Data
If you wanted to identify outliers in a dataset, which method would you most likely use?
Which measure quantifies how much scores vary around their mean within a dataset?
How does adding an outlier to a dataset affect its standard deviation?
If a researcher conducts an experiment with a very small sample size, which potential issue should they be most concerned about?
What should be considered before concluding that attending private school leads to better college admission outcomes based on observed positive association?
In a dataset, what does range measure?
If a data set has a mean of 20 and a standard deviation of 5, which value would be considered an outlier?
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What study design involves randomly assigning subjects to different treatments and then comparing results?
What measure of center is calculated by adding all the data values and dividing by the number of data values?
Which statistical tool helps distinguish whether a correlation between two variables in observational data potentially indicates causation or merely reflects coincidence?