Drag the tiles to the correct boxes to complete the pairs. Match each interval about the mean in a normal distribution with the percentage of data values in that interval.

Tiles
within one standard deviation of the mean
within two standard deviations of the mean
within three standard deviations of the mean
Pairs

95% of the data
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99.7% of the data
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68% of the data

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What is the difference between regular convex and concave polygons

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.