Question
Which type of data visualization is most useful for
identifying the relationship between two continuous variables?Solution
A scatter plot is the most effective visualization for examining the relationship between two continuous variables, as it displays individual data points on a two-dimensional plane. This allows analysts to observe trends, correlations, and potential outliers directly. By plotting one variable on the x-axis and the other on the y-axis, scatter plots reveal patterns that can indicate the strength and direction of a relationship, such as positive, negative, or no correlation, thus providing valuable insights for further statistical analysis. The other options are incorrect because: • Option 1 (histogram) shows data distribution for a single variable, not relationships. • Option 2 (box plot) is useful for displaying variability but not for showing relationships between variables. • Option 4 (pie chart) represents categorical data proportions and does not support continuous variable relationships. • Option 5 (bar chart) compares categories rather than continuous relationships.
The velocity of heat radiation in a vacuum is?
 The radii of curvature of the faces of a double convex lens are 20 cm and 30 cm. If focal length of the lens is 36 cm find the refractive index of t...
A light ray enters a glass slab from air at 60° incidence. If refractive index of glass is √3, what is angle of refraction?
The force of attraction between two masses is called — Â
Which of the following phenomena cannot be explained by the wave theory of light?
An object is placed 10 cm from a convex mirror of focal length 15 cm. Find the position of the image.
Which one of the following is the equation for Velocity Time relation?
Focal length of a concave lens with power –2 D:
In a nuclear reaction, two deuterium nuclei fuse to form a helium nucleus. Which of the following correctly describes the reason for energy release?
Which of the following rays are not deflected by a magnetic field?