SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
DSST Intro To Statistics
Start Test
Study First
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. Type of information - usually a property of characteristic of a person or thing that is measured or observed
Statistic (note there is no 's' at the end)
Survey
Variable
Independent events
2. The level of significance and the probability of a type I error (rejecting a true null hypothesis). The area in the tail or tails of a distribution (z - t - or ?2); in hypothesis testing you don't always have a two tailed distribution as in confidenc
Simple random sample
Alpha (a)
range
Distribution
3. Type of bar graph that shows frequency distributions
Frequency histogram
Ordinal
Ratio
Population Size
4. When the distribution of the data values greater than the center of the display - and the data values less than the center of the display are mirror images of each other
Dot plots
N
Distribution
Symmetric Distribution
5. Mean - mode - median and midrange.
Survey
The 4 measures of center
H1
P(A)
6. A quantity calculated from data gathered from a sample- usually used to estimate a population parameter
Strata sampling
Raw Data
Statistic
Sample Variance
7. Information about individuals in a population
Distribution
Data
Sample Variance
Characteristic of a distribution
8. Double the answer from step 1 or step 2 (on whichever side your test statistics falls).
Ordinal
Survey
Exploratory data analysis
p value two tailed test
9. Is the process of selecting a portion - or sample - of the entire population
Data Set
Center of Distribution
Representative Sample
Sampling
10. Is a sample of data values selected from a population in such a way that every sample of size 'n' has an equal probability of being selected and every data value of the population has the same chance of being selected for the sample
Range
Observational study
P(A)
Simple Random Sample
11. Standard scores and percentile
Distribution
The 2 measures of relative standing
Variable
Disjoint event
12. 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
p
Continuous Data
Ordinal
Parameter
13. 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
Statistics
Simple random sample
s2
Bias
14. 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
Census
Pictograph
Statistics
Center of Distribution
15. _______________ of a numerical variable represents the data values of the variable from the lowest to the highest value along with the number of times each data value occurs
p value two tailed test
Sample
Distribution
Range
16. To calculate the percentile take the number of values less than x - divide by total number of values and times by 100.
Percentile
Center of Distribution
Numerical Variable
Population
17. Is a number that describes a characteristic of a population
Parameter
s
s2
Range
18. Null hypothesis
p
H0
Discrete numerical data
Dependent events
19. (largest data value) - (smallest data value)
The 2 measures of relative standing
The 4 measures of center
Continuous Data
range
20. 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
Census
Dependent events
Sample
Nominal
21. Sum of the values
Census
Descriptive Statistics
S
S x
22. A number that is used to describe a characteristic of a sample - such as a sample average - is called a __________.
Variable
Statistic
Dot plots
The effect of extreme values on the measures of center
23. Sample size or number of trials
Distribution
Census
n
Inferential Statistics
24. 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
Interval
Outliers
Numerical measurement describing some characteristic of a sample.
The 3 measures of variation
25. Members of the population select themselves by volunteering
Sample Size
Relative frequency histogram
Range
Self-selected sample
26. To find the range subtract the lowest value by the highest value.
Range
S x
Population
Statistic
27. 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
Ratio
Systematic sampling
Census
s
28. Collection of information from a sample
Simple random sample
Survey
p value left tail
Random Sample or Probability Sample
29. A visual exploratory data analysis technique that shows the shape of a distribution - this kind of display uses the actual values of the variable to present the shape of the distribution of data values
s
Statistic
Stem-and-Leaf display
Dependent events
30. Is the process of using SAMPLE INFORMATION to draw inferences or conclusions about the POPULATION
Inferential Statistics
Random Sample or Probability Sample
p value two tailed test
Statistics
31. Is a sample that has the pertinent characteristics of the population in the same proportion - as they are included in that population
Continuous Data
Range
Alpha (a)
Representative Sample
32. The important aspects of the data are called?
Continuous Data
Characteristic of a distribution
x
Statistic
33. A method of data collection where the researcher selects a sample from the population and measures the variable of interest
p value right tail
Representative Sample
Range
Survey
34. Is a collection of several data pertaining to one or more variables
Outliers
Data Set
Categorical Variable
Center of Distribution
35. Is the entire collection of all individuals or objects of interest
Population
Numerical Variable
range
Frequency histogram
36. A method in which you randomly choose one number from 'l' to 'k' and continue to select the kth element
The 4 measures of center
Relative frequency histogram
Systematic sampling
s
37. Capital sigma; summation
Discrete Data
S
Sampling
Stem and leaf plots
38. Sample variance
Inferential Statistics
Categorical Variable
s2
Dependent events
39. Mu; population mean
Continuous Data
Categorical Variable
Numerical Variable
40. Statistics
Simple Random Sample
Numerical measurement describing some characteristic of a sample.
Outlier
Distribution
41. The variable value can be represented as isolated points on a number line
Symmetric Distribution
Parameter
Discrete numerical data
Census
42. The number of times each data value occurs
p
Dot plots
Frequency
Statistic
43. Test use normalcdf(ZTS -999)
S x
Continuous Data
p value right tail
Sample
44. Is the portion of the population that is selected for study
Census
Ordinal
Graph
Sample
45. Determine the location of the middle value of all the data values
Survey
s2
Center of Distribution
Symmetric Distribution
46. Sample standard deviation
Sampling
s
Statistic (note there is no 's' at the end)
p value right tail
47. A flaw in the sampling procedure that makes it more likely that the sample will NOT be representative of population
Bias
n
Continuous Data
Data
48. Variable where the value is a number that results from a measurement process - also called numerical data
Data Set
Continuous Data
The 2 measures of relative standing
Numerical Variable
49. Can be used to get an initial graphical view of data
Dot plots
Statistics
H1
Alpha (a)
50. A numerical quantity measuring some aspect of the population
Parameter
Numerical measurement describing some characteristic of a sample.
Statistic
Sample Size
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
Certifications
CISSP go to https://www.isc2.org/
PMP
ITIL
RHCE
MCTS
More...
IT Skills
Android Programming
Data Modeling
Objective C Programming
Basic Python Programming
Adobe Illustrator
More...
Business Skills
Advertising Techniques
Business Accounting Basics
Business Strategy
Human Resource Management
Marketing Basics
More...
Soft Skills
Body Language
People Skills
Public Speaking
Persuasion
Job Hunting And Resumes
More...
Vocabulary
GRE Vocab
SAT Vocab
TOEFL Essential Vocab
Basic English Words For All
Global Words You Should Know
Business English
More...
Languages
AP German Vocab
AP Latin Vocab
SAT Subject Test: French
Italian Survival
Norwegian Survival
More...
Engineering
Audio Engineering
Computer Science Engineering
Aerospace Engineering
Chemical Engineering
Structural Engineering
More...
Health Sciences
Basic Nursing Skills
Health Science Language Fundamentals
Veterinary Technology Medical Language
Cardiology
Clinical Surgery
More...
English
Grammar Fundamentals
Literary And Rhetorical Vocab
Elements Of Style Vocab
Introduction To English Major
Complete Advanced Sentences
Literature
Homonyms
More...
Math
Algebra Formulas
Basic Arithmetic: Measurements
Metric Conversions
Geometric Properties
Important Math Facts
Number Sense Vocab
Business Math
More...
Other Major Subjects
Science
Economics
History
Law
Performing-arts
Cooking
Logic & Reasoning
Trivia
Browse all subjects
Browse all tests
Most popular tests