Study

Frequency table

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  • How many 14-year-olds are in the building?
    19
  • In how many matches did they serve no double faults?
    4
  • How many times did they serve exactly 1 double fault?
    2
  • How many students are in the building?
    130
  • How many 15-year-olds are in room B, C and D?
    22
  • How many students are in room C?
    28
  • How many matches did they play in total during the month?
    10
  • How many 17-year-olds are in the building B, D and E?
    1