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What is a Confidence Interval?
Provides a specified level of confidence for an estimate
95% confidence interval, means 95 out of 100 times
All of the above
Range of values likely to Include parameter of interest
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Since p (.04) < a (.05), p < Îą, do we accept or reject the null hypothesis?
We reject the null hypothesis
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What are Descriptive statistics?
All of the answers
Measure of variability (data spread)
Graphs and charts to visually represent the data
Measures of central tendency
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eraser
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gold
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fairy
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thief
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What are examples of a categorical variable?
Occupation
Education level
All the answers
Animal Species
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What does correlation between two variables mean?
Two variables that can take on the same value
None of the answers
A variable that is continuous
The Extent to which 2 or more variable fluctuate together
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True or False: A discrete variable can only take on a finite number, such as the number of students in a class??
True
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True or False: A Chi-square test assesses the differences between two categorical variables?
True
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monster
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gift
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fairy
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banana
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True or False: A continuous variable is a type of quantitative variable that can take on any value within a certain range of intervals?
True
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What is a Parameter?
A value below which a given percentage of observations fall
A sample Statistic
A value that divides a list of numbers into quarters
A numerical characteristic of a population
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What is a cluster sample?
A very large sample size
A sample from a non-normal distribution
Samples from various populations
Sampling technique where population is divided into clusters
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What is an interval level of measurement?
Variable data that can only be categorized
Variable data that can only be ranked
Measurement where values between variables has meaning
None of the answers
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baam
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gift
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gift
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lifesaver
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True or False: The Null Hypothesis is a statement there is no significant difference or effect in the research observations.
True
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trap
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shark
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