16 Questions
Which scale of measurement has a true zero point?
Ratio
What does 'Magnitude' refer to in the context of statistics?
Property of 'moreness'
Which statistic provides a concise description of a collection of quantitative information?
Descriptive statistics
What is the property of an 'Equal Interval' scale?
The difference between two points at any place on the scale is the same
Which scale can take on any value within a range and has infinite possible values?
Continuous Scale
'Tukey's HSD test' is used for computing what in ANOVA?
Minimum difference between treatment means necessary for significance
What type of scale involves classification or distribution categorization based on one or more distinguishing characteristics?
Nominal scale
Which measure of central tendency is the middle score of the distribution?
Median
What type of distribution has two scores that occur with the highest frequency?
Bimodal distribution
Which measure of variability is equal to the difference between the highest and lowest score?
Range
What type of transformation retains a direct numerical relationship to the original raw score?
Linear transformation
What is the purpose of hypothesis testing?
To evaluate a sample data to make inferences about a population
What is the purpose of the alpha level in a hypothesis test?
To define the concept of "very unlikely"
What is the purpose of the Pearson correlation coefficient?
To measure the strength and direction of the relationship between two continuous variables
What is the purpose of the standard error of estimate in regression analysis?
To measure the variability of the residuals
What type of test is used to compare the means of two independent groups with continuous variables?
Independent t-test
Learn about the different scales of measurement, with a focus on ratio scale which has a true zero point. Explore descriptive statistics methods to provide a concise description of data distributions according to Cohen & Swerdlik (2018), Kaplan & Saccuzzo (2018), and Gravetter & Wallnau (2013).
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