TABLE 5-8 Two Different Designs on a New Line of Winter Jackets

question 89

Short Answer

TABLE 5-8
Two different designs on a new line of winter jackets for the coming winter are available for your manufacturing plants. Your profit (in thousands of dollars) will depend on the taste of the consumers when winter arrives. The probability of the three possible different tastes of the consumers and the corresponding profits are presented in the following table.

-Referring to Table 5-8, what is the total variance of the profit if you increase the shift of your production lines and choose to produce both designs?

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Definitions:

One-tailed Test

A statistical test that determines the direction of a relationship or difference, testing for either a positive or negative effect only.

Directional Research Hypothesis

A hypothesis that specifies the direction of the expected difference or relationship between the variables being studied.

Research Hypothesis

A statement predicting the relationship between variables, formulated to be tested by research.

Null

Typically refers to the null hypothesis in statistical analysis, which posits that there is no significant difference or relationship between specified populations, any observed difference being due to sampling or experimental error.