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. Before they are arranged or analyzed - information or observations are called________.
Statistic
Raw Data
p value left tail
Dependent events
2. Middle value of a set of data values after they've been arranged in numerical order - 1. First arrange data values in numerical order 2. For odd # of data values - the median is the middle data value 3. For even # of data values - the median is the m
Convenience sampling
Pictograph
Median
3. Information about individuals in a population
Simple random sample
Frequency
Data
The 4 measures of center
4. Probability of event A
Variable
Interval
range
P(A)
5. Population variance
s2
Statistics
p
Ordinal
6. Is the process of using SAMPLE INFORMATION to draw inferences or conclusions about the POPULATION
Sample
Inferential Statistics
Bias
Survey
7. Sample proportion
p
Statistic
Numerical measurement describing some characteristics of a population.
Distribution
8. One extreme value can affect it dramatically.
Convenience sampling
Statistics
The effect of extreme values on the measures of center
P(A)
9. Has the same shape and horizontal scale as a histogram - but the vertical scale is marked with relative frequencies instead of actual frequencies
p value two tailed test
Numerical measurement describing some characteristic of a sample.
Census
Relative frequency histogram
10. The variable value can be represented as isolated points on a number line
Discrete numerical data
Inferential Statistics
P(A)
The 3 measures of variation
11. Type of bar graph that shows frequency distributions
p value left tail
H0
Bias
Frequency histogram
12. Disjoint events cannot overlap. They are mutually exclusive if they cannot occur at the same time.
Outliers
Disjoint event
Raw Data
13. A number that is used to describe a characteristic of a sample - such as a sample average - is called a __________.
Outliers
Statistic
Sample Size
range
14. Variable where the value is a number that results from a measurement process - also called numerical data
Outlier
Numerical Variable
Representative Sample
Survey
15. 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
Discrete Data
Sampling
Nominal
Stem and leaf plots
16. 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
Ordinal
Symmetric Distribution
Graph
Stem-and-Leaf display
17. Is the process of selecting a portion - or sample - of the entire population
Sampling
Sample Size
Nominal
Numerical Variable
18. A numerical quantity measuring some aspect of the population
Random Sample or Probability Sample
Frequency histogram
Parameter
Relative frequency histogram
19. Population proportion
p
Distribution
Simple random sample
N
20. A method in which you randomly choose one number from 'l' to 'k' and continue to select the kth element
Variable
The effect of extreme values on the measures of center
Population
Systematic sampling
21. Square the standard deviation and to find the population variance square of the population standard deviation
Sample Variance
Stem and leaf plots
Population
Characteristic of a distribution
22. Is a sample containing similar characteristics of the population
Self-selected sample
Representative Sample
N
Center of Distribution
23. Always use a equal symbol
Statistic
Survey
Median
What symbol must always be found in H0
24. Represents categories - and is nonnumerical in nature
Interval
Categorical Variable
Systematic sampling
Continuous Data
25. The pattern of variation of data. The distribution may be described as symmetrical - positively skewed - or negatively skewed
Distribution
p value two tailed test
s2
p value left tail
26. Is denoted by 'N' - is the number of data values in the population
Skewed Distribution
Population Size
S x
Inferential Statistics
27. Can be used to get an initial graphical view of data
s2
Frequency
Dot plots
The 2 measures of relative standing
28. Level of measurement- Is like the ordinal level - with the additional property that we can determine meaningful amounts of differences between data. However - there is no inherent (natural) zero starting point (where none of the quantity is present).
Census
Population
H1
Interval
29. Population is organized into groups (i.e - neighborhoods/departments) - and sampling unit is selected by a simple random sample
Self-selected sample
Cluster sampling
Variable
Disjoint event
30. 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
Ordinal
Characteristic of a distribution
Random Sample or Probability Sample
Self-selected sample
31. Alternative hypothesis
Ratio
H1
p
The 3 measures of variation
32. To calculate the percentile take the number of values less than x - divide by total number of values and times by 100.
Symmetric Distribution
Population
Percentile
Numerical measurement describing some characteristics of a population.
33. The number of times each data value occurs
Observational study
S
Frequency
s
34. Type II error is measured
Pictograph
Stem-and-Leaf display
Percentile
35. A method of experimentation in which you can control as many variables as possible in order to isolate the effects of a response variable
Graph
Percentile
Inferential Statistics
Designed experiment
36. _______________ 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
Distribution
The 2 measures of relative standing
Ratio
Sample Size
37. Type of information - usually a property of characteristic of a person or thing that is measured or observed
Skewed Distribution
Survey
Variable
Sample
38. 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
Pictograph
Sampling
Alpha (a)
39. A survey that includes every item or individual of the population
Sample
Exploratory data analysis
Census
Survey
40. Is the portion of the population that is selected for study
Simple Random Sample
Nominal
Population
Sample
41. Occur when one does not affect the probability of the occurrence of the other.
Simple random sample
N
Independent events
Alpha (a)
42. 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
p
Numerical measurement describing some characteristics of a population.
H1
Simple random sample
43. Standard scores and percentile
The 2 measures of relative standing
Percentile
Bias
44. 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
45. Sample standard deviation
s
Statistics
Self-selected sample
Bias
46. (largest data value) - (smallest data value)
What symbol must always be found in H0
Representative Sample
range
Statistics
47. Double the answer from step 1 or step 2 (on whichever side your test statistics falls).
p value two tailed test
N
Skewed Distribution
Discrete numerical data
48. Capital sigma; summation
Outliers
Center of Distribution
N
S
49. The important aspects of the data are called?
Designed experiment
Characteristic of a distribution
p
Skewed Distribution
50. Using graphs and numerical summaries to describe variables in a data set and their relationship
Independent events
Exploratory data analysis
Median
S
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