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  2. NCERT textbook controversies - Wikipedia

    en.wikipedia.org/wiki/NCERT_textbook_controversies

    NCERT's director Hrushikesh Senapaty highlighted that students must have time to engage outdoor. The syllabus of Social Sciences, which covers History, Geography, Political Science, and Economics, had 24 chapters in Class IX as compared to 15 each in Science and Mathematics. Similarly, Class X Social Sciences had 28 chapters as compared to 16 ...

  3. Total sum of squares - Wikipedia

    en.wikipedia.org/wiki/Total_sum_of_squares

    In statistical data analysis the total sum of squares (TSS or SST) is a quantity that appears as part of a standard way of presenting results of such analyses. For a set of observations, y i , i ≤ n {\displaystyle y_{i},i\leq n} , it is defined as the sum over all squared differences between the observations and their overall mean y ...

  4. Vedic Mathematics - Wikipedia

    en.wikipedia.org/wiki/Vedic_Mathematics

    Vedic Mathematics is a book written by Indian Shankaracharya Bharati Krishna Tirtha and first published in 1965. It contains a list of mathematical techniques which were falsely claimed to contain advanced mathematical knowledge. [1]

  5. Explained sum of squares - Wikipedia

    en.wikipedia.org/wiki/Explained_sum_of_squares

    The general regression model with n observations and k explanators, the first of which is a constant unit vector whose coefficient is the regression intercept, is = + where y is an n × 1 vector of dependent variable observations, each column of the n × k matrix X is a vector of observations on one of the k explanators, is a k × 1 vector of true coefficients, and e is an n × 1 vector of the ...

  6. SST class airship - Wikipedia

    en.wikipedia.org/wiki/SST_class_airship

    The SST used a larger 100,000 cu ft (2,800 m 3) envelope than any of the other SS class types, and was equipped with a streamlined and waterproofed car that could accommodate a crew of five. [4] Two 100 hp (75 kW) Sunbeam or 75 hp (56 kW) Rolls-Royce Hawk engines were each mounted on a gantry either side of the car, and drove 9 ft (2.7 m ...