Sample Size Calculator
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Conversion Rate Metric
RPV Metric
Confidence Level
%
Statistical Power
%
Baseline Conversion Rate (Control Offer)
%
Total Number of Daily Visitors
Number of Offers Including Control
Daily Number of Visitors per Offer
Lift (that can be detected with power (80%) probability)
5%
10%
%
Absolute Difference in Conversion Rate (that can be detected with power (80%) probability)
0.59%
1.18%
2.07%
Conversion Rate of Alternative (that can be detected with power (80%) probability)
12.39%
12.98%
13.87%
Sample Size per Offer (# of visitors)
47,942
12,234
4,114
Sample Size per Offer (# of conversions)
5,657
1,444
485
Days to Complete Test
24
7
3
Weeks to Complete Test
4
1
1
Correct for Multiple Offers (Bonferroni Correction)
Confidence Level
%
Statistical Power
%
Total Sales (Control Offer)
$
Sum of Sales Squared (Control Offer)
$
Number of Visitors (Control Offer)
$
RPV
$
Total Number of Daily Visitors
Number of Offers Including Control
Daily Number of Visitors per Offer
Lift (that can be detected with power (80%) probability)
5%
10%
%
Absolute Difference in RPV (that can be detected with power (80%) probability)
$0.82
$1.64
$1.31
RPV of Alternative (that can be detected with power (80%) probability)
$17.21
$18.03
$17.70
Sample Size per Offer (# of visitors)
318,409
79,602
124,378
Days to Complete Test
160
40
63
Weeks to Complete Test
23
6
9
Correct for Multiple Offers (Bonferroni Correction)