Song Ratings a Music Critic Wanted to Determine Whether or Not

question 88

Essay

Song Ratings
A music critic wanted to determine whether or not music listeners of different age groups evaluate a song differently.With this objective,he commissioned a survey that asked people their ratings of the most popular songs.The rating categories were: 1 = terrible,2 = fair,3 = good,and 4 = excellent.Each respondent was also asked to categorize his or her age as either: 1 = teenager,2 = young adult (20-34),3 = middle age (35-50),and 4 = over 50. The results are shown below. ​ ​
-{Song Ratings Narrative} Does this data provide sufficient evidence to infer at the 5% significance level that there are differences in ratings among the different age categories?

---

Definitions:

New Product

An item or service that has been recently developed or introduced to the market.

Innovation

The process of introducing new ideas, devices, or methods, often leading to improvements in products, services, or processes within an industry or sector.

Research

The systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions.

Research and Development

These are activities undertaken by companies or governments in pursuit of new knowledge, innovations, and product development.