In 2011, Brand a MP3 Players Had 45% of the Market

question 101

Essay

In 2011, Brand A MP3 Players had 45% of the market, Brand B had 35%, and Brand C had 20%. This year the makers of brand C launched a heavy advertising campaign. A random sample of electronic stores shows that of 10,000 MP3 Players sold, 4,350 were Brand A , 3,450 were Brand B , and 2,200 were Brand C . Has the market changed? Test at a = 0.01.

---

Definitions:

Classical Conditioning

A learning process that occurs through associations between an environmental stimulus and a naturally occurring stimulus, leading to a learned response.

Least Intense

Describes an approach or method that is minimally forceful or invasive, often referring to the level of intervention or stimulus applied.

Most Intense

Referring to the highest degree of a certain quality, feeling, or state.

Consecutively

Refers to doing something in a sequence where each event or action follows the previous one without interruption.