Computer Training Consider the Following Data for Two Variables,x and Y.The Independent

question 82

Essay

Computer Training
Consider the following data for two variables,x and y.The independent variable x represents the amount of training time (in hours)for a salesperson starting in a new computer store to adjust fully,and the dependent variable y represents the weekly sales (in $1000s). Use statistical software to answer the following question(s). ​ ​
-{Computer Training Narrative} Determine if there is sufficient evidence at the 5% significance level to infer that the quadratic relationship between y,x,and x² in the previous question is significant.

---

Definitions:

Interaction Effect

A statistical phenomenon in which the effect of one independent variable on a dependent variable differs depending on the value of another independent variable.

Marginal Means

The mean values of a variable in a dataset at each level of another variable, especially in the context of factor analysis or ANOVA, used for understanding group differences.

Dependent Variable

The variable being tested and measured in an experiment, its outcome depends on the influence of the independent variable.

Factorial Research Design

Research design consisting of all possible combinations of two or more independent variables.