A Deputy Registrar at a certainty university conducted a Chi-Square test of association to establish whether or not employee grade and level of absenteeism were associated. Table 2 below shows part of the results which were obtained.Table 2: Cross tabulation of employee grade and level of absenteeism Contingency Tables Grade LAbsence 123Totallow Observed 8 1 0 9 Expected 2.90 3.48 2.61 9.00 high Observed 2 11 9 22 Expected 7.10 8.52 6.39 22.00 Total Observed 10 12 9 31 Expected 10.00 12.00 9.00 31.00 2.3 Calculate the expected frequency corresponding to a Grade 3 academic with a high level of absenteeism.

The two variables under consideration are employee grade and level of absenteeism. The two-way…

Answered: Calculate the expected frequency…

Math

Statistics

Calculate the expected frequency corresponding to a Grade 3 academic with a high level of absenteeism.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 30PPS

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Question

A Deputy Registrar at a certainty university conducted a Chi-Square test of association to establish whether or not employee grade and level of absenteeism were associated. Table 2 below shows part of the results which were obtained.

Table 2: Cross tabulation of employee grade and level of absenteeism

Contingency Tables
	Grade
LAbsence		1	2	3	Total
low		Observed		8		1		0		9
	Expected		2.90		3.48		2.61		9.00
high		Observed		2		11		9		22
	Expected		7.10		8.52		6.39		22.00
Total		Observed		10		12		9		31
	Expected		10.00		12.00		9.00		31.00

2.3 Calculate the expected frequency corresponding to a Grade 3 academic with a high level of absenteeism.

Definition Definition Visual representation of the relationship between two or more categorical variables. A contingency table is a categorical version of the scatterplot, which is used to visualize the linear relationship between two variables.

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