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Statistics is a Science of: a) Finding answers based on Guesses and conjectures

ID: 3171074 • Letter: S

Question

Statistics is a Science of: a) Finding answers based on Guesses and conjectures not backed by proof b) Exact calculations that can only be based on Specific elements regardless of any trend c) Decisions making based on collection analyzing and drawing conclusion based on data. d) Using representations that are only designed to mislead studies The entire collection of objects or outcomes about which data are collected is called: a) Variable b) Experiment c) Sample d) Population Variability of a set of data is studied because: a) to prove data collection always yields optimum and flawless results b) Successive observations of a system do not always produce exactly the same results c) Because of certainty of the methodology used d) to show that all data collection methods ultimately are good and result producing Which of the followings CAN NOT be a randomly selected sample: a) Use of the random generator in any given computer b) Picking every 5^th member of the population c) Throwing the names of the members in a hat and picking one d) Picking a piece of candy from a mixed bag with eye fold on In a study of chemical reaction the chemist periodically adds different but allowable chemicals to observe reactions. This is a process of: a) Observational study b) Random sampling c) designed experiment d) multiple sampling Members of a population are created for a certain specific study, This population is considered to be: a) Conceptual population b) physical population c) virtual Population c) sample of the population

Explanation / Answer

11) option C is correct

12)option D is correct

13)option b is correct

14)option b

15) option C is correct

16)option a is correct