Answer to Question #175528 in Statistics and Probability for Jean Claude

Question #175528


Question 2 In each of the following situations, identify the scale(s) of measurement that is appropriate for each situation.

NOTE: Give a reason for each of your answer:


(i) A visiting school inspector asked a class teacher to rank the thirty students in her class on “level of discipline”, with 1 standing for the least disciplined student and 30 standing for the most disciplined student.


(ii) Identical twins living in different environments are being compared to find out the influence of the environment on their academic performance. A standard test on academic performance is giving to fifty (50) sets of identical twins and their performance graded over 100.


(iii) “Regular” students and students admitted under the distance learning programme into Accra Institute of Technology are administrated a questionnaire measuring “level of maturity” of the students, with scores on “level of maturity” ranging from 0 to 10.






1
Expert's answer
2021-04-12T07:52:44-0400

(i) A visiting school inspector asked a class teacher to rank the thirty students in her class on “level of discipline”, with 1 standing for the least disciplined student and 30 standing for the most disciplined student- Ordinal Scale because it contains named and ordered variable.


(ii) Identical twins living in different environments are being compared to find out the influence of the environment on their academic performance. A standard test on academic performance is giving to fifty (50) sets of identical twins and their performance graded over 100.-Ratio Scale because it contains named and ordered and the proportionate interval between variables and can accommodate absolute zero.


(iii) “Regular” students and students admitted under the distance learning program into Accra Institute of Technology are administrated a questionnaire measuring the “level of maturity” of the students, with scores on “level of maturity” ranging from 0 to 1-Nominal Scale because it contains only named variable.


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