The sample tests attribution more than volume: whether outside traffic shows up in your reports at all.
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Opening the dashboard a couple of hours after the window closes, seeing the same figure as yesterday, and concluding nothing arrived. Store reporting is aggregated, delayed and rounded, and at this scale the delay is longer than the delivery. Note the figure, note the date range, and come back the following day.
The second mistake is comparing raw totals rather than the acquisition report. Totals move for reasons unconnected to your order, while the acquisition breakdown is where outside traffic actually appears. That distinction is most of what the sample is testing.
That installs originating outside your own audience reach your listing and get attributed rather than discarded. That is a narrow claim and a genuinely useful one, because it is the part most people are unsure about. It says nothing about how a release week campaign would be paced, and nothing about whether anybody opens the app twice.
Short answers to what people ask most before ordering.