Need to Run a One-Sample Variance Test in Excel?

QI Macros can do it for you and interpret the results!

Run a one-sample variance test using QI Macros

  1. Select your data.
  2. Click on QI Macros menu > Statistical Tools > F & t Tests > Variance Test One-Sample
  3. QI Macros will do the math and interpret the results for you.

Example of One-Sample Variance Test Using QI Macros Add-in for Excel

  1. Click and drag over your data to select it in Excel:
  2. variance test one sample orignal data

  3. Click on the QI Macros Menu > Statistical Tools > F & t Tests, and then select "Variance-Test: one-sample":
  4. one sample variance test menu

  5. QI Macros will prompt for a significance level (default = 0.95):
  6. significance level prompt

  7. You will then be prompted to input the Test Standard Deviation (QI Macros will provide the auto-calculated value):
  8. test standard deviation prompt

  9. QI Macros will perform the Variance Test: one-sample calculations and interprets the results for you:
  10. Variance Test One Sample Output

NOTE: We do not provide Bonett method results - only Chi-Square method results.

What's Cool about the QI Macros One Sample Hypothesized Variance Test?

Interprets the Results for You: QI Macros compares the p value to alpha and tells you what that means. In the above example, QI Macros tells you "Cannot Reject the Null Hypothesis/Accept the Null Hypothesis", because p > 0.05 (Means are not different/Means are the same).

Interactive Results: QI Macros lets you change the significance level to see what impact those changes have on your results.

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QI Macros can draw these charts too!