Question

is this right?

37.5 45.5 The following data represents the heights (in inches) of eighty randomly selected 5-year-old females, 44.5 42.4 42.2 46.2 45.7 43.4 44.7 38.6 41.6 50.2 40.6 47.5 48.4 42.0 40.3 42.0 42.2 38.5 44.5 37.6 42.2 40.3 48.5 41.3 38.8 41.9 40.3 42.1 44.5 40.7 38.2 42.6 44.0 43.4 44.6 37.7 34.6 42.4 45.4 36.5 44.4 40.7 44.8 46.9 43.3 43.6 41.6 41.9 35.9 42.7 43.3 39.6 41.2 40.6 41.7 42.3 43.7 47.0 39.5 44.7 40.5 45.0 38.9 44.6 48.1 42.8 39.5 43.0 42.7 42.6 36.3 43.6 37,4 46.0 42.3 40.5 38.7 39.9 To quickly insert the data into StatCrunch. Highlight the data, Copy the data, go to StatCrunch and click CTRL V to paste. Make sure the data is in one column. It does not matter if there are spaces between the numbers. What is the distribution of the graph? O A. Left-skewed OB. Right-skewed OC. Normal OD. Uniform

Answer 1

Answer : C. Normal . Yes you are right.

This is the minitab output for the data that showing the normal distribution of the graph.

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Worksheet 1 *** C11 Histogram of x DID rX 44.5 Histogram of x Normal 43.4 40.6 42.0 Mean 42.22 StDev 3.131 80 44.5 Ovouw 41.3 44.5 43.4 42.4 44.7 Frequency 47.5 40.3 37.6 38.8 40.7 36 38 40 42 44 46 48 50 44.6 42.2 a prop @ 83 arrent Worksheet: Worksheet 1