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A sports centre records the number of visits at consecutive observation times. The table gives each period index with its recorded value
The observations are in chronological order
Which variable belongs on the horizontal axis?
Period number on the horizontal axis; Sports-centre visits (visits) on the vertical axis
Sports-centre visits (visits) on the horizontal axis; period number on the vertical axis
Which cartesian plot is constructed correctly from the table?
What was the recorded Sports-centre visits at Week 21? Give the answer in visits