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1. In descriptive statistics, the identification of the object of study is essential for the description process. In this context, a subset of a population, where all its elements will be examined for the purpose of carrying out the desired statistical study, corresponds to the definition of:
2. Body Mass Index (BMI) is a person’s weight in kilograms (or pounds) divided by the square of height in meters (or feet). These variables are commonly evaluated in clinical studies. What kind of variable is weight?
3. Measures of central tendency serve to locate the distribution of raw data (or frequencies) on the variation axis of the variable in question. “The sum of all measurements divided by the number of observations in the dataset” is the definition of:
4. Measures of dispersion allow to know the extent of variability of the data. In this context, the _____ is the square root of sum of squared deviation from the mean divided by the number of observations. What word is missing to complete the definition?
5. The representation of the data is a didactic process and necessary for understanding the information in statistics. Then, the tables have the following correct characteristics:
6. The graphics are the representation in the form of geometric figures of information obtained in investigations, to provide the reader with a faster and more objective interpretation of the content. Then, the graphics have the following correct characteristics: