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  2. Khan Academy

    www.khanacademy.org/math/statistics-probability/summarizing-quantitative-data/...

    Review the concepts of mean, median, and mode in statistics on Khan Academy.

  3. Khan Academy

    www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-data-statistics/mean-and...

    Introduction to mean, median, and mode in statistics with examples and explanations.

  4. Mean, median, and mode (practice) | Khan Academy

    www.khanacademy.org/math/statistics-probability/summarizing-quantitative-data/...

    Lesson 1: Measuring center in quantitative data. Statistics intro: Mean, median, & mode. Mean, median, & mode example. Mean, median, and mode. Calculating the mean.

  5. Functions | Algebra 1 | Math | Khan Academy

    www.khanacademy.org/math/algebra/x2f8bb11595b61c86:functions

    Math: Get ready courses; Get ready for 3rd grade; Get ready for 4th grade; Get ready for 5th grade; Get ready for 6th grade; Get ready for 7th grade; Get ready for 8th grade

  6. What is a function? (video) | Functions | Khan Academy

    www.khanacademy.org/math/algebra/x2f8bb11595b61c86:functions/x2f8bb11595b61c86:...

    Lesson 1: Evaluating functions. What is a function? Worked example: Evaluating functions from equation. Evaluate functions. Worked example: Evaluating functions from graph. Evaluating discrete functions. Evaluate functions from their graph. Worked example: evaluating expressions with function notation. Evaluate function expressions.

  7. Intro to matrices (article) | Matrices | Khan Academy

    www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:matrices/x9e81a4f98389...

    Matrix is an arrangement of numbers into rows and columns. Make your first introduction with matrices and learn about their dimensions and elements.

  8. Khan Academy

    www.khanacademy.org/math/ap-calculus-ab/ab-limits-new/ab-1-2/a/limits-intro

    What do we mean when we say "infinitely close"? Let's take a look at the values of f ( x ) = x + 2 ‍ as the x ‍ -values get very close to 3 ‍ . (Remember: since we're dealing with limits we don't care about f ( 3 ) ‍ itself.)

  9. Khan Academy

    www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/7th...

    Rates & proportional relationships FAQ. Introduction to proportional relationships. Identifying constant of proportionality graphically. Constant of proportionality from graph. Constant of proportionality from graphs. Identifying the constant of proportionality from equation. Constant of proportionality from equation.

  10. Khan Academy

    www.khanacademy.org/math/statistics-probability/summarizing-quantitative-data/...

    The idea of spread and standard deviation. Calculating standard deviation step by step. Standard deviation of a population. Mean and standard deviation versus median and IQR. Concept check: Standard deviation. Statistics: Alternate variance formulas.

  11. Khan Academy

    www.khanacademy.org/math/statistics-probability/probability-library/basic...

    Explore what probability means and why it's useful. Math: Get ready courses; Get ready for 3rd grade; Get ready for 4th grade; Get ready for 5th grade