Answered: (a) (i) Form the data into a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Transcribed Image Text:It is claimed that the area within which a school is situated affects the age profile of the staff employed at that school. In order to investigate this claim, the age profiles of staff employed at two schools with similar academic achievements are compared. Academia High School, situated in a rural community, employs 120 staff whilst Best Manor Grammar School, situated in an inner-city community, employs 80 staff. The percentage of staff within each age group, for each school, is given in the table. (a) Age 22-34 35-39 40-59 Academia High School 17.5 60.0 22.5 Best Manor Grammar School 40.0 45.0 15.0 (i) Form the data into a contingency table suitable for analysis using a x² distribution. (ii) Use a x2 test, at the 1% level of significance, to determine whether there is an association between the age profile of the staff employed and the area within which the school is situated. (b) Interpret your result in part (a)(ii) as it relates to the 22-34 age group.

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