Quadratic regression Calculator

Analyzes the data table by quadratic regression and draws the chart.

Quadratic regression: y=A+Bx+Cx2
    1. (input by clicking each cell in the table below)
data 

Guidelines for interpreting correlation coefficient r :
  0.7<|r|≦1        strong correlation
  0.4<|r|<0.7     moderate correlation
  0.2<|r|<0.4     weak correlation
  0≦|r|<0.2         no correlation

    Quadratic regression
    [1-10] /121Disp-Num
    BACK NEXT
    [1]  2023/05/23 03:46   Under 20 years old / Elementary school/ Junior high-school student / A little /
    Purpose of use
    Help learn material
    [2]  2023/05/02 18:23   60 years old level or over / A teacher / A researcher / Very /
    Purpose of use
    Quadratic Regression Presentation
    [3]  2023/04/23 22:46   20 years old level / High-school/ University/ Grad student / Very /
    Purpose of use
    Statistical Modeling Assignment
    [4]  2023/03/05 12:58   Under 20 years old / High-school/ University/ Grad student / Useful /
    Purpose of use
    regressions for a precalc lab
    [5]  2023/03/05 12:15   Under 20 years old / High-school/ University/ Grad student / Very /
    Purpose of use
    math homework🤠
    [6]  2023/01/28 05:33   20 years old level / High-school/ University/ Grad student / Useful /
    Purpose of use
    Predicting my grades🤠
    [7]  2022/10/24 04:44   Under 20 years old / Elementary school/ Junior high-school student / Very /
    Purpose of use
    Very good for prediction of follower counts
    Comment/Request
    Easily calculate future values!
    [8]  2022/10/09 16:29   Under 20 years old / High-school/ University/ Grad student / Very /
    Purpose of use
    replacement for a calculator
    [9]  2022/09/30 14:52   60 years old level or over / A retired person / Very /
    Purpose of use
    regression of data points for portfolio analysis.

    want to derive a figure of merit for holdings in my portfolio.
    [10]  2022/09/12 05:36   Under 20 years old / High-school/ University/ Grad student / Useful /
    Purpose of use
    trigonometry

    BACK NEXT

    Thank you for your questionnaire.

    Sending completion



    Back

    To improve this 'Quadratic regression Calculator', please fill in questionnaire.
    Age


    Occupation


    Useful?

    Purpose of use?
    Comment/Request (Click here to report a bug).Bug report (Click here to report questionnaire.)
    Calculation bug(Please enter information such as specific input values, calculation result, correct result, and reference materials (URL and documents).)
    Text bug(Please enter information such as wrong and correct texts)
    Your feedback and comments may be posted as customer voice.
    送信