96 CI SE 196 Expressed as a range around the percent 42 40 44 42 2 The range contains the average va lue of the percent which would result if all possible samples were used A 95 CI suggests that if 100 samples were drawn the average value of the ID: 78705
Download Pdf The PPT/PDF document "Displaying data and interpreting results..." is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.
Displaying data and interpreting results Always include a title which should focus on Data graphics -tablesDisplaying pre-and post-results Data graphics line graphs Interpretationdiscuss and interpret dataA percentage is a way of expressing a proportion, a ratio or a fraction as a whole numberMean provides average of a set of values Because of its simplicity 'mean' used more than any other measure of central tendency Median is the middle in a distribution of values (used in reporting the PA data on MET mins) Confidence IntervalsMeasure of precision in your dataThe more precise your results, the more confidence you can have in themAll sample-based surveys lack some amount of precision due to non-sampling error and sampling errorA measure of sampling error is called standard error for a particular percentage or variablePrecision is measured by standard error and illustrated with confidence intervals 42% (40% -44%) 2%)The range contains the average value of the percent which would result if all possible samples were usedA 95% CI suggests that if 100 samples were drawn the average value of the percent would be contained in 95 of the 100 CIs Males -16.4% (14.5-18.2)Females 12.6% (11.4-13.7) Males -16.4% (14.5-18.2)Females 12.6% (11.4-13.7) &RQILGHQFHLQWHUYDOVGRQRW RYHUODS UHVXOWVDUHGLIIHUHQW Males -8.4 (5.4-11.4)Females 11.2 (9.2-13.2)