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:

Trait Approach

A perspective in leadership studies that identifies specific qualities or characteristics that distinguish leaders from non-leaders.

Leader

A person who guides or directs a group towards achieving a common goal.

Followers

Individuals who accept the guidance, direction, or leadership of another person or group, often within a hierarchical or organizational context.

Situation

A set of circumstances or a context within which events occur, affecting decision-making and outcomes.