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HYPOTHESIS TESTING#1
A statistical method used to determine if there is enough evidence to reject a null hypothesis, based on sample data.
ANOVA#2
Analysis of Variance; a technique used to compare means among three or more groups to assess if at least one group mean is different.
MANOVA#3
Multivariate Analysis of Variance; an extension of ANOVA that assesses multiple dependent variables simultaneously.
MULTIVARIATE ANALYSIS#4
Statistical techniques used to analyze data that involves multiple variables, helping to understand relationships and effects.
p-VALUE#5
A measure that helps determine the significance of results in hypothesis testing; a lower p-value indicates stronger evidence against the null hypothesis.
TYPE I ERROR#6
The incorrect rejection of a true null hypothesis; also known as a false positive.
TYPE II ERROR#7
The failure to reject a false null hypothesis; also known as a false negative.
REGRESSION ANALYSIS#8
A statistical method for modeling the relationship between a dependent variable and one or more independent variables.
COEFFICIENT OF DETERMINATION#9
Also known as R-squared; it indicates the proportion of variance in the dependent variable explained by the independent variables.
MODEL DIAGNOSTICS#10
Techniques used to assess the validity and fit of a statistical model, ensuring accurate interpretations.
DATA INTERPRETATION#11
The process of making sense of numerical data, identifying trends, and drawing conclusions based on statistical analyses.
VISUALIZATION#12
The graphical representation of data to help communicate findings clearly and effectively to diverse audiences.
EXECUTIVE SUMMARY#13
A concise overview of a report's key findings and recommendations, aimed at decision-makers.
STATISTICAL SIGNIFICANCE#14
A determination that the observed results are unlikely to have occurred by chance, typically assessed using p-values.
MULTIVARIATE REGRESSION#15
A regression analysis technique that models relationships between one dependent variable and multiple independent variables.
DATA SET#16
A collection of data points organized for analysis, which can include various types of variables.
CATEGORICAL VARIABLE#17
A variable that can take on one of a limited, fixed number of possible values, representing different categories.
CONTINUOUS VARIABLE#18
A variable that can take an infinite number of values within a given range, often measured on a scale.
SAMPLE SIZE#19
The number of observations or data points collected for analysis; larger sizes generally yield more reliable results.
CONFIDENCE INTERVAL#20
A range of values that is likely to contain the true population parameter, reflecting the uncertainty of an estimate.
OUTLIER#21
A data point that differs significantly from other observations, potentially indicating variability or error.
DATA CLEANING#22
The process of identifying and correcting inaccuracies or inconsistencies in data to ensure quality analysis.
STATISTICAL SOFTWARE#23
Tools and applications used for conducting statistical analyses, such as R, SPSS, or Python libraries.
RESULTS PRESENTATION#24
The practice of conveying statistical findings in a clear, engaging manner, tailored to the audience's level of understanding.
FEEDBACK LOOP#25
A process in which outputs of a system are circled back and used as inputs, enhancing learning and improvement.