Identify the level of measurement of the data, and explain what is wrong with th
ID: 3320450 • Letter: I
Question
Identify the level of measurement of the data, and explain what is wrong with the given calculation. In a survey, the hair colors of respondents are identified as 100 for brown hair, 200 for blond hair, 300 for black hair, and 400 for anything else. The average (mean) calculated for 613 respondents and the result is 256.1. The data are at the | level of measurement. What is wrong with the given calculation? O A. The true average (mean) is 202.4 O B. Such data are not counts or measures of anything, so the average (mean) needs to be computed in a different way O C. Such data are not counts or measures of anything, so it makes no sense to compute their average (mean). O D. There is nothing wrong with the given calculation.Explanation / Answer
The data are at the Nominal level of meaurement.
In nominl level of measurement , Words, letters, numeric and alpha-numeric symbols are used to classify the data. In our given example,
100 for brown hair, 200 for blond hair, 300 for blck hair, and 400 for else. Here 100, 200, 300, 400 are used as code numbers for hair colors and does not have any relevance to their numerical values, No arthematic like total, average can not be calcualted using these numbers. Hence average calculated does not have any meaning.
What is wrong with calculation:
Ans . C. Such data are not counts or measurements of anything , so it makes no sense to compute their average(Mean)