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Author Question: Mark is in third grade and has just learned how to use a ruler to measure. He has become a measuring ... (Read 165 times)

codyclark

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Mark is in third grade and has just learned how to use a ruler to measure. He has become a measuring fool. He measures everything in the house, writing down all the measurements, and gaily announcing to his mom, Hey, Mom. Guess what?
 
  The salt shaker is four and a quarter inches tall. What level of measurement is this?
  a. Nominal
  b. Ordinal
  c. Interval
  d. Ratio

Question 2

Which one of the following instructions to the research subject will provide the highest possible level of measurement?
 
  a. Indicate whether your income is above 20,000 a year or not.
  b. What was your income last year: 020,000; 20,00060,000; 60,000100,000; or more than 100,000?
  c. What was your total income last year, before taxes? Enter amount: _____
  d. Did you earn money last year?



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bd5255

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Answer to Question 1

ANS: D
Ratio level of measurement is the highest form of measure and meets all the rules of the lower forms of measures. It uses the real number scale, on which zero means none of the variable being measured. Nominal level of measurement is the lowest of the four measurement levels or categories. It is used when data can be organized into categories of a defined property but the categories cannot be ordered. It merely names. Data that can be measured at the ordinal level can be assigned to categories of an attribute that can be ranked. In interval level of measurement, distances between intervals of the scale are numerically equal. Interval scales are assumed to be a continuum of values. They are almost exclusively manmade scales, measures, inventories, and so forth.

Answer to Question 2

ANS: C
An important rule of measurement is that one should use the highest level of measurement possible. For example, you can collect data on age (measured) in a variety of ways: (1) you can obtain the actual age of each subject (ratio level of measurement); (2) you can ask subjects to indicate their age by selecting from a group of categories, such as 2029, 3039, and so on (ordinal level of measurement); or (3) you can sort subjects into two categories of under 65 years of age and 65 years of age and older (nominal level of measurement).




codyclark

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Reply 2 on: Jul 8, 2018
Wow, this really help


bitingbit

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Reply 3 on: Yesterday
:D TYSM

 

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