Test your basic knowledge |

DSST Intro To Statistics

Subjects : dsst, statistics
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Involves the procedures associated with the data collection process - the summarizing and interpretation of data - and the drawing of inferences or conclusions based on the analysis of the data






2. Can be used to get an initial graphical view of data






3. Is the portion of the population that is selected for study






4. A flaw in the sampling procedure that makes it more likely that the sample will NOT be representative of population






5. A method in which you randomly choose one number from 'l' to 'k' and continue to select the kth element






6. Determine the location of the middle value of all the data values






7. A descriptive tool used to visually describe the characteristics and relationships of collections of data quickly and attractively






8. Lowercase sigma; population standard deviaition






9. Level of measurement- involves data that consist of names - labels and categories only. The data cannot be arranged in an ordering scheme (such as low to high). (Example) Nationalities of survey respondents






10. Type of information - usually a property of characteristic of a person or thing that is measured or observed






11. Mu; population mean






12. Capital sigma; summation






13. A numerical quantity measuring some aspect of the population






14. Disjoint events cannot overlap. They are mutually exclusive if they cannot occur at the same time.






15. An efficient method of graphing information using actual amounts: clusters - gaps - outliers are clearly identified.






16. A survey that includes every item or individual of the population






17. Is a number that describes a characteristic of a sample

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


18. A method of experimentation in which you can control as many variables as possible in order to isolate the effects of a response variable






19. The variable value can be represented as isolated points on a number line






20. A method in which each combination of people has an equal chance of being selected- the sample is representative of the population and is independent






21. A method of data collection where the researcher selects a sample from the population and measures the variable of interest






22. Null hypothesis






23. An individual data value which lies far (above or below) from most or all of the other data values within a distribution






24. Level of measurement- Involves data that may be arranged in some order - but differences between data values either cannot be determined or are meaningless. (Example) Questions on a survey are scored with integers 1 thru 5 with 1 representing strong






25. Sample standard deviation






26. Sample size or number of trials






27. Data values that are either much larger or much smaller than the general body of data- they should be included in an analysis unless they are the result of human or other error






28. _______________ are numerical measurements that can assume any value between two numbers






29. Using graphs and numerical summaries to describe variables in a data set and their relationship






30. _______________ are numerical values that can assume only a limited number of values






31. A sample which is selected in such a manner - that each data value of the population has a non-zero probability of being selected for the sample






32. Population proportion






33. Is a sample containing similar characteristics of the population






34. The number of times each data value occurs






35. Members of the population select themselves by volunteering






36. (largest data value) - (smallest data value)






37. Occur when one does not affect the probability of the occurrence of the other.






38. Test use normalcdf(ZTS -999)






39. Sample mean






40. Is a collection of several data pertaining to one or more variables






41. The pattern of variation of data. The distribution may be described as symmetrical - positively skewed - or negatively skewed






42. Is denoted by 'N' - is the number of data values in the population






43. Standard scores and percentile






44. Before they are arranged or analyzed - information or observations are called________.






45. Level of measurement- Is the interval level modified to include the inherent zero starting point (where zero indicates that none of the quantity is present). For values at this level - differences and ratios are both meaningful. (Example) Ages of sur






46. Complement of p






47. Is a number that describes a characteristic of a population






48. Double the answer from step 1 or step 2 (on whichever side your test statistics falls).






49. Graph involving pictures of objects in which the size of the object in which the size of the object in the picture represents the relative size of the quantity being represented by the object.






50. Information about individuals in a population