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Sai Chetan
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Sai Chetan
Asked: April 6, 20222022-04-06T19:16:34+05:30 2022-04-06T19:16:34+05:30In: Mathematics

Q1) Find the curve of second degree of regression of y on x () to the following data by method …

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Q1)

Find the curve of second degree of regression of y on x (y equals a plus b x plus c x squared) to the following data by method of least square :

x1234
y6111827

Q2) Explain the concept of confidence interval with suitable example.

Q3) Fit a least square linear approximation Y=a+bX for the data X: -1, 0, 1, 2, 3 and Y: 0, 1, 2 , 9, 29

Q4) A random sample of 900 member has a mean 3.4cms. Can it be reasonably regarded as a sample from a large population of mean 3.2cms and S.D. 2.3cms??

probability and statistics
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    1. I'M ADMIN
      2022-04-14T21:09:27+05:30Added an answer on April 14, 2022 at 9:09 pm

      Q1)Find the curve of second degree of regression of y on x (y equals a plus b x plus c x squared) to the following data by method of least square :

      x1234
      y6111827

       

      Answer: Click here for answer –>  curve of regrresion

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    2. I'M ADMIN
      2022-04-14T21:10:37+05:30Added an answer on April 14, 2022 at 9:10 pm

      Q2) Explain the concept of confidence interval with suitable example.

      Answer: click here to download answer—-> confidence interval

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    3. I'M ADMIN
      2022-04-14T21:13:22+05:30Added an answer on April 14, 2022 at 9:13 pm

      Q3) Fit a least square linear approximation Y=a+bX for the data X: -1, 0, 1, 2, 3 and Y: 0, 1, 2 , 9, 29

      Answer: Follow the below link

      Fit a least square linear approximation Y=a+bX for the data X: -1, 0, 1, 2, 3 and Y: 0, 1, 2 , 9, …

       

       

      Q4) A random sample of 900 member has a mean 3.4cms. Can it be reasonably regarded as a sample from a large population of mean 3.2cms and S.D. 2.3cms??

      Answer: Follow the below link

      A random sample of 900 member has a mean 3.4cms. Can it be reasonably regarded as a sample from a …

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