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In: Statistics and Probability

The following data represent exam scores in a statistics class taught using traditional lecture and a...

The following data represent exam scores in a statistics class taught using traditional lecture and a class taught using a​ "flipped" classroom. Complete parts​ (a) through​ (c) below.

Traditional 71.7 69.2 78.7 68.1 84.1 78.5 56.9 81.0 82.0 72.3 63.7 69.0 60.5

Flipped 76.8 72.0 64.0 73.0 78.8 92.5 79.2 77.4 81.8 71.2 91.4 78.5 75.9

​(a) Which course has more dispersion in exam scores using the range as the measure of​ dispersion? The traditional course has a range of 27.2​, while the​ "flipped" course has a range of 28.5. The flipped course has more dispersion. ​(Type integers or decimals. Do not​ round.) ​(b) Which course has more dispersion in exam scores using the sample standard deviation as the measure of​ dispersion? The traditional course has a standard deviation of nothing​, while the​ "flipped" course has a standard deviation of nothing. The ▼ flipped traditional course has more dispersion.

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