# Answers Norm Distribution

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COLLECT THE DATA 1. 131 128 129 131 131 130 133 130 132 126 130 127 128 128 128 129 128 128 132 128 125 132 130 133 129 133 130 127 129 130 125 128 132 128 131 125 2. Histogram 12 Frequency 10 8 6 Frequency 4 2 0 124.5-126.5 126.5-128.5 128.5-130.5 Laptime 3. . đť‘ĄĚ… = 129.28 đť‘  = 2.25 4. 130.5-132.5 132.5-134.5 There is a hump near the left side end ANALYZE THE DISTRIBUTION X ~N (129.28, 2.25) The histogram shows what distribution the data approximates based on how the curve is shaped. DESCRIBE THE DATA The IQR goes from 128 to 131 IQR = 131-128 = 3 15th Percentile = 127 85th percentile = 132 Median = 129 Empirical probability(x>130) = 11/36 = 0.3056 85th percentile means that 85% of the data values are below 132 THEORETICAL DISTRIBUTION The IQR goes from 127.76 to 130.8 IQR = 130.8-127.76 = 3.04 15th Percentile = 126.95 85th percentile = 131.61 Median = 129.28 Emp ...
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