Identify the level of measurement of the data, and explain what is wrong with the given calculation. In a survey, the political parties of respondents are identified as 0 for a Democrat, 1 for a Republican, 2 for a Libertarian, and 3 for anything else. The average (mean) is calculated for 721 respondents and the result is 1.1. The data are at the V level of measurement. What is wrong with the given calculation? O A. The true average (mean) is 1.3. 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.
Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.
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Identify the level of measurement of the data, and explain what is wrong with the given calculation.
In a survey, the political parties of respondents are identified as 0 for a Democrat, 1 for a Republican, 2 for a Libertarian, and 3 for anything else. The average (mean) is calculated for 721 respondents and the result is 1.1.
The data are at the
level of measurement.
What is wrong with the given calculation?
O A. The true average (mean) is 1.3.
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).
D. There is nothing wrong with the given calculation.
Click to select your answer.
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