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Introduction to Statistics - final exam Questions and Correct Verified Answers Highly Recommended Version For Already A Graded|New and Revised!!!

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  • Introduction to Statistics
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  • Introduction To Statistics

average - - also called mean; a number that describes the central tendency of the data - a number that describes the central tendency of the data; there are a number of specialized averages, including the arithmetic mean, weighted mean, median, mode, and geometric mean. blinding - not ...

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  • October 14, 2024
  • 44
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Introduction to Statistics
  • Introduction to Statistics
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1 | P a g e | © copyright 2024/2025 | Grade A+


Introduction to Statistics - final exam Questions and
Correct Verified Answers Highly Recommended Version
For 2024-2025 Already A Graded|New and Revised!!!


average -


✓ - also called mean; a number that describes the central tendency of

the data

✓ - a number that describes the central tendency of the data; there are

a number of specialized averages, including the arithmetic mean,

weighted mean, median, mode, and geometric mean.

blinding -


✓ not telling participants which treatment a subject is receiving




categorical variable -


✓ variables that take on values that are names or labels




cluster sampling -


✓ a method for selecting a random sampling and dividing the population

into groups (clusters); use simple random sampling to select a set of

clusters. every individual in the chosen clusters is included in the sample




continuous random variable -


Master01 | September, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+

✓ a random variable (RV) whose outcomes are measured; the height of

trees in the forest is a continuous RV.




control group -


✓ a group in a randomized experiment that receives an inactive

treatment but is otherwise managed exactly as the other groups




convenience sampling -


✓ a nonrandom method of selecting a sample; this method selects

individuals that are easily accessible and may result in biased data.




cumulative relative frequency -


✓ The term applies to an ordered set of observations from smallest to

largest. The cumulative relative frequency is the sum of the relative

frequencies for all values that are less than or equal to the given value.




data -


✓ a set of observations (a set of possible outcomes); most data can be

put into two groups: qualitative or quantitative which is broken down

into discrete and continuous




Master01 | September, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+

qualitative data -


✓ (an attribute whose value is indicated by a label




quantitative data -


✓ an attribute whose value is indicated by a number




discrete data -


✓ data that is the result of counting (such as the number of students of a

given ethnic group in a class or number of books on a shelf)




continuous data -


✓ data that is the result of measuring (such as distance traveled or weight

of luggage)




discrete random variable -


✓ a random variable (RV) whose outcomes are counted




double blinging -


✓ the act of blinging both the subjects of an experiment and the

researchers who work with the subjects



Master01 | September, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+

experimental unit -


✓ any individual or object to be measured




explanitory variable -


✓ the independent varibale in an experiment; the value controlled by

researchers




frequency -


✓ the number of times a value of the data occurs




informed consent -


✓ any human subect in a research study must be cgnizant of any risks or

costs associated with the study. the subject has the right to know the

nature of the treatments included in the study, their potential risks, and

their potential benefits. consent must be given freely by an informed, fit

participant




institutional review board -


✓ a committee tasked with oversight of research programs that involve

human subjects




Master01 | September, 2024/2025 | Latest update

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