In a Study of Gender-Typing of Toys, Parents and Non-Parents

question 55

Essay

In a study of gender-typing of toys, parents and non-parents were asked to rate the gender appropriateness of toys on a scale of 1 (Definitely for girls) to 5 (Definitely for boys). The investigators did a regression analysis of the parents mean scores vs. the non-parents mean scores for each toy. A computer-generated normal probability plot of the residuals is shown below. Write a brief paragraph describing the plot. Based on your description recommend to the investigators whether or not the appropriate assumption is met for simple linear regression.

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Definitions:

Net Value

The difference between the total benefits and total costs of an investment or action, taking into account all relevant financial factors.

Supply Chain Cost

The accumulated costs associated with all activities in the supply chain, including production, transportation, and distribution.

Supply Chain Surplus

The added value produced through the supply chain process, measured by the difference between the value of the final product to the consumer and the costs of its production.

Customer Value

The perception of what a product or service is worth to a customer versus the possible alternatives, measured by the benefits it provides over the cost.