1.3 Statistics Questions And Answers

1.3 Statistics g


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1.3 Statistics Questions And Answers
1. A science dealing with the collection, analysis, interpretation, and presen-
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gtation of numerical data.: Statistics
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2. What is a function of statistics ?: AlI of these
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3. Which one amongst the following can not be considered as a limitation of st
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atistics?: It deals with only quantitative data g g g g g g


4. In which of the following fields do statistics apply?: All of these
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5. Observations or variables that are classified or categorized by means of lab g g g g g g g g g g g


els or other descriptive terms. Can be nominal (Inc. binary or dichotomous) or or
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dinal: Categorical data g g


6. Categorical data that has some type of order or rank, usually from lowest to g g g g g g g g g g g g g g


highest . The differences or "distances" between adjoining points on an ordin
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al scale are often either unknown or indeterminate & may not be equal.-
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: Ordinal data
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7. The average height of an NBA player in the 2007-2008 season was 6'6.98.: -
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Inferential
8. In 2011, 79% of U.S. of adults used the Internet.: Inferential
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9. A study that asks questions of a sample hoping to learn something about th
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e population ex: surveying outpatients about their experiences in the hos-
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gpital: Survey g


10. Individuals on whom an experiment is performed g g g g g g g


ex: participants in a drug trial: experimental units
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11. : is when the researcher manipulates one variable by changing its value. A
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gsecond variable is observed to determine if change occurred.: Manipulation
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12. The categories used to measure a variable make up a
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gment
13. Each score has two real limits which are g, g g g g g g g


:: Upper real limit ,Lower real limit
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14. refers to a set of mathematical procedures for organizing, summarizing a
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nd interpreting the information: Statistics
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15. Statistics that have been gathered from a sample and used to reach conclu g g g g g g g g g g g g


sions about the population from which the sample was taken: inferential statistics
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(inductive statistics) g


16. When a standard process is used to assign numbers to particular attribut-
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ges or characteristics of a variable.: measurement
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, 1.3 Statistics
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17. Statistics applied to the business world to help improve people's deci-
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sion making in fields such as marketing, operations, finance, and human r
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esources.: Business statistics
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