Documents Statistics

MEASURES OF CENTRAL TENDENCY Formula 1. Mean for grouped data, using assumed mean with step deviation method Mean = A + Where – A is the assumed mean d is deviations from…

Documents INVESTIGATION Data Colllection Data Presentation Tabulation Diagrams Graphs Descriptive Statistics.....

INVESTIGATION EXAMPLE: (1) 7,8,9,10,11 n=5, x=45, =45/5=9 (2) 3,4,9,12,15 n=5, x=45, =45/5=9 (3) 1,5,9,13,17 n=5, x=45, =45/5=9 S.D. : (1) 1.58 (2) 4.74 (3) 6.32 * Measures…