bivariate data

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  • cartesian plane can be defined as a plane formed by the intersection of two coordinate axes that are perpendicular to each other. 
  • Abscissa refers to the x-coordinate in a pair of coordinates
  • Ordinate refers to the y-coordinate in a pair of coordinates
  • Scatter Plot: The position of a dot on the horizontal and vertical axis indicates the values of the two variables.
  •  independent variable is the one that is changed or controlled in an experiment to test the effects on the dependent variable
  • The dependent variable is the one being tested and measured, changing in response to the independent variable
  • Bivariate Data:
    It is often represented in a coordinate system where each data point represents two paired values
  • Outlier:
    A data point that differs significantly from other observations in a dataset8.
    It can be an indication of variability in measurement or an error.
  • outlier can influence the outcome of statistical analyses and may need special consideration.
  • slope: In the context of a graph, it represents the rate of change between the y-coordinate and the x-coordinate.
  • Strength (in statistics):
    1. Refers to the degree of correlation between two variables
  • slope is positive if the line inclines upwards, and negative if it declines.
    1. Strength can be strong, moderate, or weak, indicating how closely the data points follow a trend.
  • Scatter Plot:
    A graph that displays the relationship between two numerical variables using dots
  • Scatter Plot: Each dot on the scatter plot represents an observation from the dataset.
  • Bivariate Data:
    The analysis of this type of data looks at the relationship between the two variables.
  • the abscissa (X) of the point is a value of the independent variable and the ordinate(y) is the value of the dependent variable.