Question

IN CLASS ASSIGNMENT # 1- Scales of Measurement, Validity, Reliability (From Lisa ) 4. Identify the scale of each of the following variables as nominal, ordinal, interval or ratio: a) The concentration of DDT (pesticide) in a sample of milk, in milligrams per litre: b) The species of each insect found in a sample plot of ground c) The pressure in pounds per square inch required to crack a specimen of copper tubing d) The position of the Montreal Canadiens in the standings of the National Hockey League (1st, 2nd, 3rd, 4th, 5th, 6th, 7th or 8th) e) The reaction time of a person, in milliseconds, after exposure to a stimulus f) The score of a student on an examination in this QM course g) The house address numbers along a typical city street h) The temperature in degrees Celsius of bath water i) A person’s political affiliation such as, conservative, liberal, NDP j) People are asked to rate political candidates on a 5 point scale that runs from ?highly favourable? down to ?highly unfavourable?.

          IN CLASS ASSIGNMENT # 1- Scales of Measurement, Validity, Reliability (From Lisa )

4. Identify the scale of each of the following variables as nominal, ordinal, interval or ratio:

a) The concentration of DDT (pesticide) in a sample of milk, in milligrams per litre:
b) The species of each insect found in a sample plot of ground
c) The pressure in pounds per square inch required to crack a specimen of copper tubing
d) The position of the Montreal Canadiens in the standings of the National Hockey League (1st, 2nd, 3rd, 4th, 5th, 6th, 7th or 8th)
e) The reaction time of a person, in milliseconds, after exposure to a stimulus
f) The score of a student on an examination in this QM course
g) The house address numbers along a typical city street
h) The temperature in degrees Celsius of bath water
i) A person’s political affiliation such as, conservative, liberal, NDP
j) People are asked to rate political candidates on a 5 point scale that runs from ?highly favourable? down to ?highly unfavourable?.

IN CLASS ASSIGNMENT # 1- Scales of Measurement, Validity, Reliability (From Lisa )

4. Identify the scale of each of the following variables as nominal, ordinal, interval or ratio:

a) The concentration of DDT (pesticide) in a sample of milk, in milligrams per litre:
b) The species of each insect found in a sample plot of ground
c) The pressure in pounds per square inch required to crack a specimen of copper tubing
d) The position of the Montreal Canadiens in the standings of the National Hockey League (1st, 2nd, 3rd, 4th, 5th, 6th, 7th or 8th)
e) The reaction time of a person, in milliseconds, after exposure to a stimulus
f) The score of a student on an examination in this QM course
g) The house address numbers along a typical city street
h) The temperature in degrees Celsius of bath water
i) A person’s political affiliation such as, conservative, liberal, NDP
j) People are asked to rate political candidates on a 5 point scale that runs from ?highly favourable? down to ?highly unfavourable?.

Added by Jordan W.

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