1253 Words6 Pages

An interval scale includes characteristic of an ordinal scale and nominal scale that is, category of individuals or responses belonging to sub categories have a common characteristic; sub categories are arranged in descending or ascending order, in addition, an interval scale places the individual or responses at equally spaced interval in relation to the spread of variables.

• The interval scale of measurement has the properties of identity, magnitude and an equal interval (Scales of Measurement in Statistics, n.d.)

• In interval scale of measurement the distances or interval between the categories are to be compared.

• Interval scale keeps the ranking order just as ordinal scale.

• The interval scales also shows the differences between*…show more content…*

Moreover it has a starting point fixed at zero. Therefore it is an absolute scale. The difference between different points or values, is always measured from a zero point. It reflects that the ratio scale can be used for mathematical operations.

• Ratio scale of measurement is almost same as interval scale.

• Ratio scale also includes a non arbitrary zero value in it to measure the variable.

• The ratio scale is the most precise and powerful of all the scales of measurement.

• It has the most meaningful zero point including all the properties of interval scale.

• One cannot have any negative value on this scale.

• The weight on an object can be an example of a ratio scale; each value has a unique meaning, weight can be ranked and ordered, units on the weight scale are equal to one another furthermore, the scale has a minimum value of zero because objects otherwise can be weightless but they cannot have negative weight.

• Hence, this scale satisfies all four properties of measurement scales, and these are:

Identity, magnitude, equal interval and a minimum value of zero.

EXAMPLE

(1) The person who is thirty years of age is twice as old as fifteen years*…show more content…*

(10) GPA.

(11) Mr. Shakeel invests 80000 in his business which is 2 time the amount of a person who invests 40000.

(12) Mr. Arif donates 30000 in a hospital per year which is 3 times the amount of a person who denotes 10000.

(13) Ms. Sara is 60 kg which is thrice the weight of Hira who is 20 Kg.

(14) Team A manages to get 3 scores in a match which is three times more of Team B who gets 1 score.

(15) Ms. Hina is 6 feet high which is 3 times the height of Ayesha who is 2 feet high.

(16) In a class of 30 boys are 15 with the equal ratio of the girls who are also 15 in number .

(17) Amna’s hair are12 inches long which are double the length of Sara who has 6 inches long hair.

(18) In a marathon race, girls are 20 while the boys are 2 times more with the number of 40.

(19) In a car parking area, green cars are 60, red cars are 30, the ratio of green cars is twice the red cars.

(20) A man earns 12000 per month and spends 6000, his salary is 2 times more than his expenditures.

(21) In a parking area 40 cars are allowed to be parked while there is a space of 20 motor bike. The car parking space is 2 time double the space of motor

• The interval scale of measurement has the properties of identity, magnitude and an equal interval (Scales of Measurement in Statistics, n.d.)

• In interval scale of measurement the distances or interval between the categories are to be compared.

• Interval scale keeps the ranking order just as ordinal scale.

• The interval scales also shows the differences between

Moreover it has a starting point fixed at zero. Therefore it is an absolute scale. The difference between different points or values, is always measured from a zero point. It reflects that the ratio scale can be used for mathematical operations.

• Ratio scale of measurement is almost same as interval scale.

• Ratio scale also includes a non arbitrary zero value in it to measure the variable.

• The ratio scale is the most precise and powerful of all the scales of measurement.

• It has the most meaningful zero point including all the properties of interval scale.

• One cannot have any negative value on this scale.

• The weight on an object can be an example of a ratio scale; each value has a unique meaning, weight can be ranked and ordered, units on the weight scale are equal to one another furthermore, the scale has a minimum value of zero because objects otherwise can be weightless but they cannot have negative weight.

• Hence, this scale satisfies all four properties of measurement scales, and these are:

Identity, magnitude, equal interval and a minimum value of zero.

EXAMPLE

(1) The person who is thirty years of age is twice as old as fifteen years

(10) GPA.

(11) Mr. Shakeel invests 80000 in his business which is 2 time the amount of a person who invests 40000.

(12) Mr. Arif donates 30000 in a hospital per year which is 3 times the amount of a person who denotes 10000.

(13) Ms. Sara is 60 kg which is thrice the weight of Hira who is 20 Kg.

(14) Team A manages to get 3 scores in a match which is three times more of Team B who gets 1 score.

(15) Ms. Hina is 6 feet high which is 3 times the height of Ayesha who is 2 feet high.

(16) In a class of 30 boys are 15 with the equal ratio of the girls who are also 15 in number .

(17) Amna’s hair are12 inches long which are double the length of Sara who has 6 inches long hair.

(18) In a marathon race, girls are 20 while the boys are 2 times more with the number of 40.

(19) In a car parking area, green cars are 60, red cars are 30, the ratio of green cars is twice the red cars.

(20) A man earns 12000 per month and spends 6000, his salary is 2 times more than his expenditures.

(21) In a parking area 40 cars are allowed to be parked while there is a space of 20 motor bike. The car parking space is 2 time double the space of motor

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