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W hich of the following assertions are CORRECT?
P: Adding 7 to each entry in a list adds 7 to the mean of the list
Q: Adding 7 to each entry in a list adds 7 to the standard deviation of the list
R: Doubling each entry in a list doubles the mean of the list
S: Doubling each entry in a list leaves the standard deviation of the list unchanged
  • a)
    P, Q
  • b)
    Q, R
  • c)
    P, R
  • d)
    R, S
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
W hich of the following assertions are CORRECT?P: Adding 7 to each ent...
P and R always holds true
Else consider a sample set {1, 2, 3, 4} and check accordingly.
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W hich of the following assertions are CORRECT?P: Adding 7 to each entry in a list adds 7 to the mean of the listQ: Adding 7 to each entry in a list adds 7 to the standard deviation of the listR: Doubling each entry in a list doubles the mean of the listS: Doubling each entry in a list leaves the standard deviation of the list unchangeda)P, Qb)Q, Rc)P, Rd)R, SCorrect answer is option 'C'. Can you explain this answer?
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