Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. NDA
  4. /
  5. Mathematics
  6. /
  7. 2013/2014
  8. /
  9. Q34
Question 34

Find the Standard deviation of the numbers 1, 7, 6. 3, 4, 5, 2, 8, 9

  • A.6
  • B.√6
  • C.7
  • D.√7
Objective

Question details

Exam body
NDA
Subject
Mathematics
Year
2013/2014
Question no.
#34
Type
Objective
Previous · Q33The triangle PQR above is ___. Next · Q35 Find the arithmetic mean of the following numbers:30, 32, 34, 36, 38,40, 42

More from this paper

  • Q30If -2 is the solution of the equation 2x + 1 -3c = 2c + 3x -7 find the value of…
  • Q31A hunter 1.6m tall, views a bird on top of a tree at an angle 45°. If the…
  • Q32The sum of the interior angles of a polygon is 20 right angles. How many Sides…
  • Q36The equation whose roots are 3 and -5 is __.
  • Q37Find the equation of the circle which passes through the origin and touches the…
  • Q38A farmer has 120m of fencing with which to enclose a rectangle sheep-pen, using…
See all Mathematics 2013/2014 questions
Teacha

Africa's learning & exam readiness platform. Built for students, tutors, and schools.

Platform

  • Courses
  • Mock Exams
  • Past Questions

For You

  • I'm a Tutor
  • I'm a School
  • Pricing

© 2025 Teacha. Built for African learners, tutors, and schools. Teacha is not affiliated with WAEC, NECO, or JAMB. All past questions are sourced from publicly available materials.

Privacy PolicyTerms of UseCookie Policy