Suppose that a local chapter of sales professionals in the greater San Francisco

Question

Suppose that a local chapter of sales professionals in the greater San Francisco area conducted a survey of its membership to study the relationship, if any, between the years of experience, and salary for individuals employed in the inside sales and in the outside sales positions. On the survey, respondents were asked to specify one of three levels of years of experience: low (1-10 years), medium (11-20 years), and high (21 or more years). The data file is SalesSalary. Test whether the mean salary differs by position, and by experience, using alpha= .05.

Is this two-way or randomized block design?

Explanation / Answer

Question asked:

Is this two-way or randomized block design.

Answer:

Two-way ANOVA

EXPLANATION:

Two Way ANOVA compares the mean differences between groups that have been split on two independent variables, called factors. The mian purpose of two way ANOVA is to understand whether there is an interaction between the two independent variables on the dependent variable.

In Randomised Block Design, the researcher divides subjects into subgroups, called blocks, such that the variability within blocks is less than the variability between blocks. Then, subjects within each block are randomly assigned to treatment conditions.

Here, the mean differences in salary between groups that have been split on two independent variables: (i) position and (ii) experience are compared.

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