Data Visualization Quiz
5 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the formula for calculating the slope in the context of linear trends for slope-intercept form?

  • $m = \frac{x_2 - x_1}{y_2 - y_1}$
  • $m = \frac{y_2 - y_1}{x_1 - x_2}$
  • $m = \frac{x_1 - x_2}{y_2 - y_1}$
  • $m = \frac{y_2 - y_1}{x_2 - x_1}$ (correct)

    • In the context of correlation coefficient, what does an $r$-value of -1 indicate?

  • An absence of correlation between the variables
  • A strong best fit increasing linear association plot
  • A weak and randomly scattered plot, neither increasing nor decreasing, with no linear association
  • A strong best fit decreasing linear association plot (correct)

    • What represents the middle value of the upper half in the five number summary of a box and whisker plot?

  • Median
  • Q3 (correct)
  • Maximum
  • Q1

    • In the context of causation, what does a nonlinear correlation imply?

    <p>An absence of correlation between the variables</p> Signup and view all the answers

    What does the minimum value represent in a dot plot on a one-dimensional number line?

    <p>Least value</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser