LWP is a large multinational company, having more than 2000 employees under its payroll. The management of the LWP company has introduced an intensive and comprehensive training programme for its managerial level employees. There are four different types of training progammes, currently under consideration. Employees were divided into four groups and different groups were given different training programmes. Now the management of LWP wants to examine the effectiveness of these training programmes i.e. whether these programmes have been resulting into same managerial skill enhancement or their degree of effectiveness is different. Simultaneously, the management also wants to examine whether there is some change in the effectiveness – degree with the level of experience of employees. Management believes that these two factors are independent. There are 5 categories of experience-levels, as envisaged by the HR department of LWP. For this dual purpose, 20 employees were randomly chosen, according to a particular scheme. Five employees were chosen from each training programme and in each subgroup, 5 employees belong to 5 different experience categories. The employees thus selected were given a managerial-skill aptitude examination to examine their managerial aptitude and their scores are tabulated in form of following table:

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