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EDD 112 Final SUNY Binghamton University 1. What are statistics?: The collection, organization, analysis, and interpretation of data 2. What are the 2 types of statistics?: descriptive and inferential 3. What does the frequency distribution provide?$10.49
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EDD 112 Final SUNY Binghamton University 1. What are statistics?: The collection, organization, analysis, and interpretation of data 2. What are the 2 types of statistics?: descriptive and inferential 3. What does the frequency distribution provide?
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Course
EDD112
Institution
EDD112
EDD 112 Final SUNY Binghamton University
1. What are statistics?: The collection, organization, analysis, and interpretation of
data
2. What are the 2 types of statistics?: descriptive and inferential
3. What does the frequency distribution provide?
EDD 112 Final SUNY Binghamton
University
1. What are statistics?ANS
The collection, organization, analysis, and interpretation of data
2. What are the 2 types of statistics?ANS
descriptive and inferential
3. What does the frequency distribution provide?ANS
A compact summary of data by showing how many units fall into each attribute of a variable
4. What is a histogram a pictorial summary of?ANS
Descriptive statistics
5. Measures of central tendency is descriptive statistics?ANS
Mean Median
Mode Quartiles
Percentiles
Trimmed means
6. What are the units of variance?ANS
Units squared
7. Sample varianceANS
Measure of variability based on derivation from the mean
8. Sample standard deviationANS
Square root of the variance, denoted by s
9. What must you have to calculate population variance?ANS
Every value of the population
10. Inferential statisticsANS
Focuses on drawing conclusions about a population based on sample info
11. PopulationANS
Consists of all individuals or objects of a particular type
12. SampleANS
Subset of the population
13. Why do we use Statistics?ANS
To acquire info Draw conclusions about an entire population
14. What does Simio use stats to do?ANS
Evaluate processes
15. When choosing between standard deviation and variation, what do people tend to choose and why?ANS
SD bc the units are more intuitive
16. Random variableANS
Any rule that assigns a numerical value to each outcome of an experiment
17. Random variable typesANS
Discrete and continuous
18. 2 types of probability distributionsANS
Probability density functions Discrete probability density function
19. Probability density functionsANS
A function p(x) or f(x) that relates the values of the occurance graphically or as an equation
20. Are probability density function continuous or discrete?ANS
Can be both
1/9
, EDD 112 Final SUNY Binghamton
University
21. What condition does discrete probability function satisfy?ANS
The probability that x can take a specific value is p(x)
p(x) is + or 0 for all real x
The sum of p(x) over all positive values is 1
2/9
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