Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
180 views
in Statistics by (20 points)
Calculate standard deviation of marks secured by 100 examinees in the examination: \begin{tabular}{|l|c|c|c|c|c|c|c|c|} \hline Marks & \( 10-20 \) & \( 20-30 \) & \( 30-40 \) & \( 40-50 \) & \( 50-60 \) & \( 60-70 \) & \( 70-80 \) & \( 80-90 \) \\ \hline Number of Examinees & 19 & 3 & 2 & 49 & 24 & 2 & 0 & 1 \\ \hline \end{tabular} (Ans. \( \sigma=14.9 \) )

Please log in or register to answer this question.

Related questions

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.

Categories

...