Interval Estimation Test
A timed estimation test: bound probabilities, counts and quantities with a lower and an upper limit. Tight intervals that contain the true value score the most; intervals that miss score nothing.
Realistic test mode
SaveYou will face 4 estimation questions, each with its own 60-second clock. Some ask you to bound a probability between 0 and 1, some show a picture and ask you to bound a count, and some ask for a quick numeric estimate. For every question you give a lower and an upper bound.
Each question is worth up to 1 point. An interval that contains the true value earns more the tighter it is; an interval that misses earns 0, and there is no negative marking. Wide bounds waste points, narrow ones risk missing. Your score is out of 4.
Question types and run settings unlock with Premium. The example test is the same fixed paper for everyone.
This is a short 4-question example. Premium members get the full 15-question test in 15 minutes.
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