In 2011,computers of Brand a Controlled 25% of the Market,Brand

question 91

Essay

In 2011,computers of Brand A controlled 25% of the market,Brand B 20%,Brand C 10%,and brand D 45%.In 2015,sample data was collected from many randomly selected stores throughout the country.Of the 1,200 computers sold,280 were Brand A,270 were Brand B,90 were Brand C,and 560 were Brand D.Has the market changed since 2011? Test at the 1% significance level.

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Definitions:

Parenting Stress

The tension and anxiety that arises from the demands and responsibilities associated with raising children.

Developmental Outcome

Refers to the result or consequence of a sequence of development-related processes or interventions, impacting an individual's physical, cognitive, or emotional state.

Difficult Temperament

A behavioral profile characterized by high reactivity and low adaptability, often seen in children.

Coercive

Refers to the use of force or intimidation to obtain compliance or control over others.