Identify the level of measurement for the following? How long does it take you to drive to the school on average ( to the nearest minute)
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To identify the level of measurement for the given question, "How long does it take you to drive to the school on average (to the nearest minute)," we need to determine the nature of the data being measured.
In this case, we are measuring the time taken to drive to the school on average, specified to the nearest minute. The possible levels of measurement are:
1. Nominal: This level of measurement involves categorical data without any order or numerical significance. Since the question asks for actual time measurements, it does not fall into this level.
2. Ordinal: This level of measurement includes data that can be ordered or ranked. For example, if the question asked about the driving time based on driving distances from shortest to longest, it would be considered an ordinal level of measurement. However, the question only asks for the average driving time, which is not ranked or ordered. Thus, it also does not fall into this level.
3. Interval: This level of measurement involves numerical data where the intervals between the values are equal. However, there is no meaningful zero point on this scale. For instance, if the question asked about average driving time on a scale from 1 to 10, where 1 represents the shortest time and 10 represents the longest time, it would be considered an interval level of measurement. But since the question specifies the actual driving time to the nearest minute, it does have a meaningful zero point. Therefore, it is not an interval level.
4. Ratio: This level of measurement includes numerical data where the intervals between the values are equal, and there is a meaningful zero point. In the given question, the measured time has both equal intervals between minutes and a meaningful zero point. Hence, it falls into the ratio level of measurement.
In conclusion, the level of measurement for the given question, "How long does it take you to drive to the school on average (to the nearest minute)," is ratio.