Sometimes a researcher must decide whether a variable is normally distributed. There are several ways to do
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Sometimes a researcher must decide whether a variable is normally distributed. There are several ways to do this. One simple but very subjective method uses special graph paper, which is called normal probability paper. For the distribution of systolic blood pressure readings given in Chapter 3 of the text, the following method can be used:
Make a table, as shown.
Transcribed Image Text:
Boundaries Frequency 24 89.5-104.5 104.5-119.5 119.5-134.5 134.5-149.5 149.5-164.5 164.5-179.5 HOZG2A 62 72 26 12 4 200 Cumulative frequency Cumulative percent frequency
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Related Book For
Elementary Statistics A Step By Step Approach
ISBN: 9780077665807
9th Edition
Authors: Allan G. Bluman
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