Statistics 211 Exam Questions and Answers 100% Correct
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Course
Statistics 211
Institution
Statistics 211
Statistics 211 Exam Questions and Answers 100% Correct
Individuals - Answers are the people or objects included in the study.
Variable - Answers is a characteristic of the individual to be measured or observed
Quantitative Variable - Answers has a value or numerical measurement for which operat...
Statistics 211 Exam Questions and Answers 100% Correct
Individuals - Answers are the people or objects included in the study.
Variable - Answers is a characteristic of the individual to be measured or observed
Quantitative Variable - Answers has a value or numerical measurement for which operations such as
addition or averaging make sense.
Qualitative Variable - Answers describes an individual by placing the individual into a category or group,
such as male or female.
Population Data - Answers the data from every individual of interest
Sample Data - Answers the data from only some of the individuals of interst
Population Parameter - Answers a numerical measure that describes an aspect of a population
Sample Statistic - Answers a numerical measure that describes an aspect of a sample
Statistics - Answers is the study of how to collect, organize, analyze, and interrupt numerical information
from data.
1 Nominal Level - Answers applies to data that consist of names, labels, or categories. There is no
implied criteria.
2 Ordinal Level - Answers applies data that can be arranged in order. However, differences between
data values either cannot be determined or are meaning less
4 Ratio Level - Answers applies to data that can be arranged in order. Data at ratio can have a true zero.
3 Interval Level - Answers applies to data that can be arranged in order. In addition, differences between
data values are meaningful.
Descriptive Statistics - Answers involves methods or organizing, picturing, and summarizing information
from samples or populations.
Inferential Statistics - Answers involves methods of using information from a sample to draw conclusions
regarding the population.
Length of time to complete an exam - Answers ratio
Time of first class - Answers interval
Major field of study - Answers nominal
course evaluation scale: Poor, acceptable, good - Answers ordinal
Score on last exam (based on 100 possible points) - Answers ratio
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