Instruction 11-10
the Marketing Manager of a Company Producing a New

question 53

Short Answer

Instruction 11-10
The marketing manager of a company producing a new cereal aimed for children wants to examine the effect of the colour and shape of the box's logo on the approval rating of the cereal.He combined four colours and three shapes to produce a total of 12 designs.Each logo was presented to two different groups (a total of 24 groups)and the approval rating for each was recorded and is shown below.The manager analysed these data using the α = 0.05 level of significance for all inferences.
$$\begin{array}{l}\text { COLOURS }\\\begin{array} { | r | | c | c | c | c | } \hline \text { SHAPES } & \text { Red } & \text { Green } & \text { Blue } & \text { Yellow } \\\hline \hline \text { Circle } & 54 & 67 & 36 & 45 \\\hline & 44 & 61 & 44 & 41 \\\hline \text { Square } & 34 & 56 & 36 & 21 \\\hline & 36 & 58 & 30 & 25 \\\hline \text { Diamond } & 46 & 60 & 34 & 31 \\\hline & 48 & 60 & 38 & 33 \\\hline\end{array}\end{array}$$ $$\begin{array}{l}\text { Analysis of Variance }\\\begin{array} { l r r r r c } \hline \text { Source } & d f & { \text { SS } } & { \text { MS } } & { F } & p \\\hline \text { Colours } & 3 & 2711.17 & 903.72 & 72.30 & 0.000 \\\text { Shapes } & 2 & 579.00 & 289.50 & 23.16 & 0.000 \\\text { Interaction } & 6 & 150.33 & 25.06 & 2.00 & 0.144 \\\text { Error } & 12 & 150.00 & 12.50 & & \\\text { Total } & 23 & 3590.50 & & & \\\hline\end{array}\end{array}$$
-Referring to Instruction 11-10,the critical value of the test for significant differences between colours is ________.

Grasp the significance of providing clear expectations and resources for job performance.

Learn the importance of recognizing and nurturing employees' strengths and contributions.

Understand the components of effective training models and their role in organizational effectiveness.

Acknowledge the difference between judging and coaching in the development of others.

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Definitions:

Intercept

In mathematics and statistics, the point at which a line or curve intersects a given axis on a graph.

Predicted Income

An estimate of future income based on variables such as education, occupation, and previous earnings.

Correlation

A statistical measure that expresses the extent to which two variables change together, suggesting a possible relationship between them.

Prediction Error

The difference between an observed value and the value predicted by a model.