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?

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Definitions:

Hip Muscle

The hip muscle is part of a group of muscles around the hip joint that supports movement and stability of the hip, including flexors, extensors, abductors, and adductors.

Piriformis

A muscle in the gluteal region of the lower limb, which can sometimes be involved in sciatic nerve compression.

Iliacus

A muscle located in the pelvis, part of the iliopsoas group, important for flexing the hip and stabilizing the lower body.

Sartorius

The sartorius is a long, thin, superficial muscle that runs down the length of the thigh in the human body, known for being the longest muscle.