In a week the prices of a bag of rice were 350 ,280, 340, 290, 320, 310, 300. The range is__.

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• __+++__++++__-++++++, In this sequence there are total__ runs.

  (A) 2
  (B) 6
  (C) 4
  (D) 5

  ►Correct Option
  
  Correct Option is: B
  

• Mann-Whitney is non parametric test for?

  (A) equality of two proportion
  (B) equality of variance
  (C) equality of two medians
  (D) None of them

  ►Correct Option
  
  Correct Option is: C
  

• For testing two independent sample median , we use__ test.

  (A) friedman
  (B) kruskalwallis
  (C) wilcoxon Signed Rank
  (D) None of them

  ►Correct Option
  
  Correct Option is: C
  

• In wilcoxon Signed rank test, we use __ of signs.

  (A) ranks
  (B) average
  (C) deviations
  (D) None of them

  ►Correct Option
  
  Correct Option is: A
  

• When parameters are not specified, __tests are used.

  (A) Parametric
  (B) Non-parametric
  (C) T-test
  (D) None of them

  ►Correct Option
  
  Correct Option is: B
  

• In regression model X’s are fixed and Y is?

  (A) Fixed
  (B) Stochastic
  (C) Random
  (D) None of them

  ►Correct Option
  
  Correct Option is: C
  

• To compare the equality of different proportions we use?

  (A) Chi-square
  (B) Squared Rank test
  (C) Binomial
  (D) None of them

  ►Correct Option
  
  Correct Option is: A
  

• To compare between k variances__ is used.

  (A) Chi-square
  (B) Squared Rank test
  (C) Regression
  (D) None of them

  ►Correct Option
  
  Correct Option is: B