Central Tendency Measures
Range and Mean Comparison
Given the heights (in cm) of two groups of students :
Group A : 131 cm, 150 cm, 147 cm, 138 cm, 144 cm
Group B : 139 cm, 148 cm, 132 cm, 151 cm, 140 cm
Which of the following is / are the true?
I) The ranges of the heights of the two groups of students are the same.
II) The means of the heights of the two groups of students are the same.