Test your basic knowledge |

AP Statistics Vocab

Subjects : statistics, ap
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. The distribution of a variable restricting the who to consider only a smaller group of individuals






2. Systematically recorded information - whether numbers or labels - together with its context






3. Sampling schemes that combine several sampling methods






4. When groups of experimental units are similar - it is a good idea to gather them together into these






5. The parts of a distribution that typically trail off on either side; they can be characterized as long or short






6. The number of individuals in a sample






7. A sample that consists of the entire population






8. Models random events by using random numbers to specify event outcomes with relative frequencies that correspond to the true real-world relative frequencies we are trying to model






9. Any attempt to force a sample to resemble specified attributes of the population






10. Useful family of models for unimodal - symmetric distributions






11. An event is this if we know what outcomes could happen - but not which particular values will happen






12. The sum of squared deviations from the mean - divided by the count minus one






13. Distributions with two modes






14. Multiplying each data value by a constant multiplies both the measures of position and the measures of spread by that constant






15. An observational study in which subjects are selected and then their previous conditions or behaviors are determined






16. A numerically valued attribute of a model for a population






17. A scatterplot shows an association that is this if there is little scatter around the underlying relationship






18. In a normal model - about 68% of values fall within 1 standard deviation of the mean - about 95% fall within 2 standard deviations of the mean - and about 99.7% fall within 3 standard deviations of the mean






19. Although linear models provide an easy way to predict values of y for a given value of x - it is unsafe to predict for values of x far from the ones used to find the linear model equation; predictions should not be trusted






20. An individual about whom or which we have data






21. Found by summing all the data values and dividing by the count






22. Gives a value in 'y-units per x-unit'; changes of one unit in x are associated with changes of b1 units in predicted values of y






23. Graphs a dot for each case against a single axis






24. Found by substituting the x-value in the regression equation; they're the values on the fitted line






25. The ____ we care about most is straight






26. The middle value with half of the data above and half below it






27. Doing this is equivalent to changing its units






28. Shows quantitative data values in a way that sketches the distribution of the data






29. When an observed difference is too large for us to believe that is is likely to have occurred naturally






30. Any systematic failure of a sampling method to represent its population; common errors are voluntary response - undercoverage - nonresponse ____ - and response ____






31. Shows how a 'whole' divides into categories by showing a wedge of a circle whose area corresponds to the proportion in each category






32. Holds information about the same characteristic for many cases






33. Value found by subtracting the mean and dividing by the standard deviation






34. Consists of the individuals who are conveniently available






35. Displays the 5-number summary as a central box with whiskers that extend to the non-outlying data values






36. To describe this aspect of a distribution - look for single vs. multiple modes - and symmetry vs. skewness






37. The process - intervention - or other controlled circumstance applied to randomly assigned experimental units






38. Displays counts and - sometimes - percentages of individuals falling into named categories on two or more variables; categorizes the individuals on all variables at once - to reveal possible patterns in one variable that may be contingent on the cate






39. When doing this - consider their shape - center - and spread






40. The ith ___ is the number that falls above i% of the data






41. A study based on data in which no manipulation of factors has been employed






42. Bias introduced to a sample when a large fraction of those sampled fails to respond






43. Uses adjacent bars to show the distribution of vales in a quantitative variable; each bar represents the frequency (or relative frequency) of values falling in an interval of values






44. An equation or formula that simplifies and represents reality






45. Each predicted y-hat tends to be fewer standard deviations from its mean than its corresponding x was from its mean






46. Shows a bar representing the count of each category in a categorical variable






47. A distribution that's roughly flat






48. This of sample size n is one in which each set of n elements in the population has an equal chance of selection






49. A sample is this if the statistics computed from it accurately reflect the corresponding population parameters






50. An individual result of a component of a simulation







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


Let me suggest you:

Browse all subjects

Browse all tests

Most popular tests



Major Subjects

Tests & Exams


AP
CLEP
DSST
GRE
SAT
GMAT

Browse all subjects

Browse all tests

Most popular tests