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Differences between descriptive and inferential statistics?
All statistical tests are part of Inferential analysis; there are no tests conducted in Descriptive analysis · Descriptive analysis- describes the sample's characteristics using… o Metric- ex. sample mean, standard deviation or variance o Non-metric variables- ex. median, mode, frequencies & elaborate on zero-order relationships o Use Excel to help determine these sample characteristics · Inferential Analysis- draws conclusions about population o Types of errors o Issues related to null and alternate hypotheses o Steps in the Hypothesis Testing Procedure o Specific statistical tests
What does the stem and leaves mean in math?
It is a statistical procedure for summarising discrete data.
Clusters of related test questions that measure common abilities are identified with a statistical procedure called?
factor analysis
The law of large numbers affects sampling procedure how?
Statistical concept that larger the sample population (or the number of observations) used in a test, the more accurate the predictions of the behavior of that sample, and smaller the expected deviation in comparisons of outcomes.
What is acceptance sampling?
Acceptance sampling can be defined as a statistical procedure for accepting or rejecting a batch of merchandise or documents. It involves establish the maximum number of defects discovered in a sample in a sample text before the entire batch is discarded.
