If y = 3x + 30 and mean of x is 20, then the mean of y is / » Fundamentals of Business Statistics solved MCQs / By admin Question: If y = 3x + 30 and mean of x is 20, then the mean of y is A. 90 B. 80 C. 70 D. 100 Answer» a. 90 Note: The above multiple-choice question is for all general and Competitive Exams in India.
