You are provided with the following scores of contestants in a painting competition. The contestants have used different types of painting materials in their artwork, such as acrylic, oil, and watercolor.

Contestants

Judge 1

Judge 2

1 (acrylic)

86

83

2 (acrylic)

80

82

3 (oil)

76

80

4 (oil)

90

86

5 (watercolor)

87

89

6 (watercolor)

87

91

Quantitative variable(s):

Qualitative variable(s) :

Ordinal variable :

Dependent variable :

Independent variable :

Extraneous variable :




Practical Research subject:​