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Data Analysis Final
Data Analysis Final
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Questions
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Answers
1
What type of correlation is shown?
Neurtal correlation
No correlation
Negative correlation
Positive correlation
2
When data is placed into categories that are ranked in a natural order
Mean
Ordinal
Interval
Mode
3
What letter is used to signify sample size?
t
m
d
n
4
A table showing correlation coefficients among more than two variables
Correlation
Hypothesis
Correlation matrix
Mode
5
Correlation value of p= .3
Moderate
Strong
Medium
Weak
6
A statement of equality between sets of variables
Null hypothesis
matrix
Statistics
variables
7
The difference between the lowest and highest score
X and Y
Causation
Predict
Range
8
An example of interval data
hair color
Crime
Age range
State
9
The average amount of variability in a set of scores or the scores’ average deviation from the mean.
Standard deviation
Correlation matrix
Ordinal
Null hypothesis
10
an example of ordinal data:
agreement level ( disagree, neutral, agree)
state
gender
age
11
Correlation does not mean
negative values
Causation
positive values
a relationship
12
measures of central tendency
range and standard deviation
mode, mean and range
mode, mean and median
median, standard deviation and variance
13
What can a correlation value tell you about the relationship between two variables?
Positive and right
Strength and direction
Left and right
Positive and Negative
14
What type of correlation is shown?
neutral correlation
negative correlation
no correlation
Positive correlation
15
Levels of measurement:
Nominal, ordinal and interval
Correlation and Interval
Mode, Mean and Median
Ordinal and Median
16
What ability does regression give us?
To see what is right and wrong
To see what is true/false
Probability
Predict
17
What are the two major branches of statistics?
descriptive statistics and inferential statistics
descriptive statistics and qualitative
quantitative data and qualitative data
quantitative data and inferential statistics
18
A type of average calculated by summing values and dividing that sum by the number of values
Range
Median
Mode
Mean
19
a type of quantitative data that measures values along a scale with equal intervals between data points
hypothesis
Standard deviation
Median
Interval
20
type of qualitative data where variables are categorized into distinct groups with labels or names
Ratio
Ordinal
Nominal
Interval
21
Correlation value of p= .9
Weak
Moderate
Medium
Strong
22
The most frequently occcuring score in a distribution
Nominal
Interval
data
Mode
23
The midpoint in a set of values
Median
standard deviation
average
range
24
An example of Nominal Data
gender
true/false
age
income
25
Identify the X and Y: Age is related to criminal behavior.
X= Age and Y= criminal behavior
X= Gender and Y= Age
X= criminal behavior and Y= age
Y= Age and X= Gender
