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F-test for equal variances
Tests if two samples have equal variances. Requires that the samples are independent and normally distributed. The
Shapiro-Wilk Expanded test
can be used to check if samples are normally distributed.
Tests the hypotheses:
H
_{0}
The two samples have equal variances
H
_{1}
The variances of the two samples are unequal
Data Entry
Sample A:
Sample B:
Significance level α:
Upload CSV file:
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Test Result
Data Summary
Sample
N
Mean
Stdev
A
B
Result (two-tailed)
Significance level α:
P-value:
F-score:
Result:
Data Visualization