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What is case C -> Q in research studies?

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Case C -> Q refers to a study design where a categorical variable (C) is used to predict a quantitative outcome (Q).

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What is a histogram?

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A histogram is a graphical representation of the distribution of numerical data, showing the frequency of data points within specified ranges (bins).

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What is cluster sampling?

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Cluster sampling is a sampling technique where the population is divided into clusters (often geographically), and entire clusters are randomly selected for the study.

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What is the probability of an event?

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The probability of an event is a measure of the likelihood that the event will occur, expressed as a number between 0 and 1.

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What is simple random sampling?

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Simple random sampling is a sampling technique where every member of the population has an equal chance of being selected.

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What is the purpose of a study examining the relationship between two variables?

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The purpose is to determine if there is a correlation or causal relationship between the variables.

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What does a frequency table represent?

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A frequency table summarizes the number of occurrences of each category or value in a dataset.

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What is the difference between qualitative and quantitative data?

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Qualitative data describes characteristics or qualities, while quantitative data represents numerical values that can be measured.

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What is stratified sampling?

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Stratified sampling is a sampling method where the population is divided into subgroups (strata) and random samples are taken from each stratum.

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What is systematic sampling?

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Systematic sampling is a method where samples are selected at regular intervals from a sorted list of the population.