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In: Statistics and Probability

Explain why? when selecting “nominal, ordinal, interval, or ratio”Determine the scales of measurement (nominal, ordinal, interval,...

Explain why? when selecting “nominal, ordinal, interval, or ratio”Determine the scales of measurement (nominal, ordinal, interval, or ratio) for the following questions.

a.) What most influenced the size of the tip you left for the server? Quality of the drink,
Friendly server, My mood, Nothing

Nominal, ordinal, interval or ratio?

b.)Did you pay attention to what is written on our coffee bill? Yes or no

Nominal, ordinal, interval or ratio?

c.)What percentage of the bill do you leave as a tip for the server?

Nominal, ordinal, interval or ratio?

d.)Did you feel like leaving a tip for the server? Very much, moderately, not at all

Nominal, ordinal, interval or ratio?

e.)How pleased were you with the coffee service today? (1: no pleased – 5: very pleased

Nominal, ordinal, interval or ratio?



Solutions

Expert Solution

a) Nominal

Explanation: The variable “size of the tip you left for the server” is categorical. This category does not show any order. Hence the scale of measurement is nominal.

b) Nominal

Explanation: The variable “Did you pay attention to what is written on our coffee bill” is categorical (Yes or no). This category does not show any order. Hence the scale of measurement is nominal.

c) Ratio

Explanation: The variable “percentage of the bill do you leave as a tip for the server” is continuous. It contains the arbitrary point zero. Hence the scale of measurement is ratio.

d) Ordinal

Explanation: The variable “Did you feel like leaving a tip for the serve” is categorical. This category show orders as Very much, moderately, not at all. Hence the scale of measurement is ordinal.

e) Ordinal

Explanation: The variable “How pleased were you with the coffee service today” is categorical. This category show orders as 1: no pleased – 5: very pleased. Hence the scale of measurement is ordinal.

orchestra answered 1 year ago
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