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6
Marks 2 3 4 5 6 7 8
No. of students 3 1 5 2 4 2 3


from the table above, if the pass mark is 5, how many students failed the test?

  • A. 6
  • B. 2
  • C. 7
  • D. 9
View Answer & Discuss JAMB 2010
7
Marks 1 2 3 4 5
Frequency 2 2 8 4 4


The table above show the marks obtained in a given test.
How many student took the test?

  • A. 16
  • B. 13
  • C. 20
  • D. 15
View Answer & Discuss JAMB 2010
8
Marks 1 2 3 4 5
Frequency 2 2 8 4 4


The table above show the marks obtained in a given test.
Find the mean mark

  • A. 3.1
  • B. 3.0
  • C. 3.2
  • D. 3.3
View Answer & Discuss (2) JAMB 2010
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9

The bar chart shows the distribution of marks scored by a group of students in a test. Use the chart to answer the question below
How many students took the test?

  • A. 38
  • B. 32
  • C. 15
  • D. 11
View Answer & Discuss (2) WAEC 2000
10

Find the standard deviation of 2, 3, 5 and 6

  • A. √6
  • B. √10
  • C. √\(\frac{2}{5}\)
  • D. √\(\frac{5}{2}\)
View Answer & Discuss JAMB 2010
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