Some data were collected about consumer loyalty towards a (relatively) new brand of toilet roll – ‘Wipe-It’ (using a scale from 1 = I’d never go back to 10 = I will always purchase this brand). The sample was 15,467 people. When looking at the distribution, a skew of 1.23 (SE = 0.65) was identified. The mean rating was 4.78. What is the z-score for the skew in this data?

A. 1.89
B. 0.53
C. -3.92
D. 3.36


Answer: A

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