Kayla tried to find the median from the following table, which shows the number of chin-ups she did
last week. However, she made a mistake.
Day
Number of chin-ups
Here is Kayla's work:
=
5+7+9+4+5
5
30
5
Mon Tue Wed Thu Fri
5 7 9 4 5
= 6
"The median is 6 chin-ups per day."
What mistake did Kayla make?