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C.S.E_Student
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C.S.E_Student
Asked: May 13, 20222022-05-13T18:11:14+05:30 2022-05-13T18:11:14+05:30In: Computer Science

For given two regression equations x = – 0.4y + 6.4 and y = – 0.6x + 4.6, The mean of y is

  • 17

Question 1. For given two regression equations x = – 0.4y + 6.4 and y = – 0.6x + 4.6, The mean of y is

    • (a)1
    • (b)2
    • (c)3
    • (d)4

Question 2. Chi-square is used to analyze:

    1. Squares
    2. Ranks
    3. frequencies
    4. All of above

Question 3. Calculate the co-efficient of correlation between x and y for the following data :

x:13457810
y:26810141620

Question 4. Ten individuals are chosen at random from a population and their heights are found to be in inches 63, 63, 64, 65, 66, 69, 70, 70, 71. Discuss the suggestion that the Mean height of universe is 65. For 9 degree of freedom t at 5% level of significance = 2.262.

probability and statistics
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    1. I'M ADMIN
      2022-05-13T21:27:23+05:30Added an answer on May 13, 2022 at 9:27 pm

      Q1. Answer: 1

      Q2. Answer: Frequencies

      Q3. Answer: click here to download pdf file—->co-efficient of corelation

      Q4. Answer: click here to download pdf file—->ten individual-sikshapath

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