Flashcards
Introduction to Statistics (Exercises)
Flashcards do conjunto (10)
- 1Explain what is meant by the term population.A population is the total collection of objects that are of interest in a statistical study.
- 2Explain how a sample differs from a population.A sample, being a subset, is typically smaller than the population. In a statistical study, all elements of a sample are available for observation, which is not typically the case for a population.
- 3Explain what a parameter is.A parameter is a value describing a characteristic of a population. In a statistical study the value of a parameter is typically unknown.
- 4Give an example of a population and two different characteristics that may be of interest.All currently registered students at a particular college form a population. Two population characteristics of interest could be the average GPA and the proportion of students over 23
years. - 5—
- 6—
- 7—
- 8—
- 9—A data set can be presented by a data frequency table, where each distinct value 𝑥
is listed in the first row and its frequency 𝑓
, which is the number of times the value 𝑥
appears in the data set, is listed below it in the second row.
- 10—A data set can be presented by a data frequency table, where each distinct value 𝑥
is listed in the first row and its frequency 𝑓
, which is the number of times the value 𝑥
appears in the data set, is listed below it in the second row.
Informações
- Descrição
- University Statistics FlashCards sobre Introduction to Statistics (Exercises), criado por Dr. Vicki Bealman em 09-08-2023.
- Criado por
- Dr. Vicki Bealman · ago 2023
- Atualizado
- 9 ago 2023
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