The average score of statistical mathematics test in a class is 87.26. When marking the paper, I found that Li Wei's score of 98 was wrongly recorded as 89. After recalculation, the class average score is 87.44. How many students are there in the class?

98-89=9 (point)

9÷(87.44-87.26)

=9÷0. 18

=50 (person)

hope this helps

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