I use the stopwatch app to collect data sometimes, and often I'll have ~100 datapoints. (as an example, my light creaks periodically after I turn it off after leaving it on for a long time, so I timed that once to find out how the period of the creaking changes over time). After recently getting an iPhone 6s with iOS 9, I tried using the Numbers app to graph some results. However, typing in the ~100 results is a bit tedious, and I was wondering if there was a way to transfer the data from the stopwatch to Numbers.
IPhone – way to import stopwatch data into Numbers
iphonenumbers
Related Solutions
This screen shot is from Keynote for iPad, but Numbers for iPad is pretty much the same:
When you view the file in Preview mode, the title bar of the document should look pretty similar to the above. Over there on the right is the Open in… button.
There might be a 
button that you have to click first before you see the Open in… button.
Other ways to transfer files to your iPad:
An app called Radars on the Apple App Store generates polar plots for you to import to your Numbers documents. That's what it says in the description, I however have not tried it yet.
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Best Answer
Down load BEST STOPWATCH and there is a copy option. This can then be transferred to an email or text. Then the data can be copied into a spread sheet.