Essay
Ink Pen Colours Narrative
A national survey stated that 30% of the population prefer to use a pen with black ink, 30% prefer blue ink, 25% prefer red ink, and 15% prefer some other colour. A statistics professor took a random sample of 80 students and asked them to state their ink colour preference. The following data was recorded: 
-Refer to Ink Pen Colours Narrative. What is the appropriate conclusion?
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