Subject  Business 
Due By (Pacific Time)  12/24/2016 12:00 am 
Question 1 of 17 
5.89 Points 
Crosssectional data are data:
A.collected over time 

B.that are collected over a single period of time 

C.consisting of a single variable 

D.consisting of two or more variables
Ordinal data are:
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The process of collection, organization, and description of data is commonly called:
__________ is a measure of a linear relationship between two variables, X and Y.
The statistical measures that characterize dispersion are:
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Define standard deviation
A discrete random variable is:
Two common probability distributions are ______ and _____.
A confidence interval (CI) is a range of scores with specific boundaries that
The most common probabilistic sampling approach is:
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The hypothesis predicting that differences exist between the groups being
Directional hypothesis is to nondirectional hypothesis as _____ hypothesis is to _____ hypothesis.
A researcher was interested in the emotional effects of music on exam performance. Before their exam, a professor took one group of students into a room in which calming music was played. A different group of students were taken to another room in which new wave hard rock was being played. The students then took the exam and their scores were reported. What type of analysis would be most appropriate?
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As the value of a ttest _____, the sample variance _____.
_____ is a procedure which allows us to predict an individual’s score on one
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A fashion student was interested in factors that predicted the salaries of catwalk models. She collected data from 231 models. For each model she asked them their salary per day on days when they were working (salary), their age (age), how many years they had worked as a model (years), and then got a panel of experts from modeling agencies to rate the attractiveness of each model as a percentage with 100% being perfectly attractive (beauty). The most appropriate statistical analysis would be:
The _____ is the best fitting straightline drawn through the center of a scatterplot that indicates the relationship between the variables.

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