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The table above shows the frequency of children age x years in a hospital

The table above shows the frequency of children age x years in a hospital

x 1 2 3 4 5 6 7 8
y 3 4 5 6 7 6 5 4

How many children are in the hospital

  • A.
    36
  • B.
    40
  • C.
    44
  • D.
    50
Correct Answer: Option B
Explanation

The total number of students is ∑ f = 3 + 4 + 5 + 6 + 7 + 6 + 5 + 4

= 40

There is an explanation video available below.