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How to Use This Template:
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In the Calculator tab, plug your result into the red cells. You'll see the conversion rates and standard level of error calculate automatically for you based on the numbers you inputted in Step 1.

Based on these inputs, you'll see the estimated range of condidence that the value is statistically significant based on Z score confidence intervals. These are then used to test the P value against the confidence intervals.

Feel free to look at the equations within the cells to see how the logic is calculated. Read cells C38:E41 to the right, then down. The results of your test (and whether or not they are significant) will be printed for you here. For the logic behind the formulas, feel free to click into the cells.
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A/B Test Kit
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Significance
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Calculator
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Hubspot Marketing Hub
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All your marketing tools and data — all under one roof.
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Get Started
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