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  1. Khan Academy | Khan Academy

    Oops. Something went wrong. Please try again. Uh oh, it looks like we ran into an error. You need to refresh. If this problem persists, tell us.

  2. Residual plots (video) | Residuals | Khan Academy

    You don't need to know the precise value of the residual. Most likely if you were performing regression analysis you would be using a programming language e.g. Python. From there you …

  3. Exponential growth & logistic growth (article) | Khan Academy

    A shown in the graph above, population size may bounce around a bit when it gets to carrying capacity, dipping below or jumping above this value. It’s common for real populations to …

  4. Interpreting relationships in ordered pairs - Khan Academy

    Explore the concept of numerical patterns, focusing on how to generate, identify, and graph these patterns on a coordinate plane. Understand the relationships between corresponding terms in …

  5. Age structure diagrams (article) | Khan Academy

    This pattern is seen in populations with a high birth rate and a declining death rate as more people are living into middle or old age. A variety of factors can lead to this age structure, including …

  6. Population ecology review (article) | Khan Academy

    We can see one example in the graph below, which illustrates population growth in harbor seals in Washington State. In the early part of the 20th century, seals were actively hunted under a …

  7. Constructing a scatter plot (video) | Khan Academy

    Does the time an exam happens affects the scores? Aubrey gathered info. Then she made a scatter plot with the time of day on the bottom (on the horizontal axis) and the scores on the …

  8. Introduction to sound review (article) | Khan Academy

    Consider the fig 2 i.e for air pressure variation in open tubes. At the ends air pressure is equal to the atmospheric pressure. Since air molecules can’t oscillate at displacement nodes (in the …

  9. The business cycle (video) | Business cycles | Khan Academy

    The interesting thing is we see this pattern happening, whether it's every 8 years, 7 years, every 10 years, but we don't fully understand exactly why it's happening.

  10. Transforming sinusoidal graphs: vertical stretch & horizontal ...

    We're asked to graph the function y = 2sin (-x) on the interval the closed interval so it includes the endpoints -2π to 2π So to do this I'm going to graph the function y = sin (x) and then think …