Critical Thinking Numbers are often assigned to data that are categorical in nature.

(a) Consider these number assignments for category items describing electronic ways of expressing personal opinions:

1 = Twitter; 2 = email; 3 = text message;

4 = Facebook; 5 = blog Are these numerical assignments at the ordinal data level or higher? Explain.

(b) Consider these number assignments for category items describing usefulness of customer service:

1 = not helpful; 2 = somewhat helpful;

3 = very helpful; 4 = extremely helpful Are these numerical assignments at the ordinal data level? Explain. What about at the interval level or higher? Explain.

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