Sarthaks Test
0 votes
in Mathematics by (32 points)
If the standard deviation of six observations is increased by 5.Find the new standard deviation.

Please log in or register to answer this question.

1 Answer

0 votes
by (52.9k points)

If a constant, k, is added to each number in a set of data, the mean will be increased by k and the standard deviation will be unaltered (since the spread of the data will be unchanged). Hence, S.D. of the new data = 11

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.