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The sentence is in Passive voice. To convert it in Active voice, following conversion rule needs to be followed- S + has/have + V (III) + Obj. Hence, the correct answer will be option 4- The seller has cheated the old man.
The six decile (D6 ) of 5, 3, 2, 6, 8, 4 is:
Which of the following is an example of using a sample to make inference about a population?
Five persons A, B, C, D and E occupy seats in a row at random. The probability that A and B sit next to each other is:
The average working hours per month of the staff aged over 50 years in a factory were 160 and that of the staff aged under 50 years were 210. The mean ...
For the variables X and Y, we collect 4 observations with ∑ X = 10,∑ Y = 14,∑ X2 = 30,∑ Y2 = 54,∑ XY = 31 The regressio...
If A and B are manually exclusive events such that P(A)P(B) > 0 , then which option is correct?
A dice was thrown 400 times and 'six' resulted 80 times. The data is used to justify the hypothesis of an unbiased dice at 95% confidence. With referen...
If Arithmetic mean and coefficient of variation of x are 10 and 40 respectively, then the variance of y = 10 – 2x is:
Which one is not non-probability sample method
Which of the following options is correct when data is classified on the basis of attributes?
