In a study on survival time for ten patients following a new treatment for AIDS. The time in months were given thus: 24, 12, 8, 20, 3, 18, 24, 25,and 27. Determine the mode for the given data.
a. 17.9
b. 24
c. 18
d. 24
The mode is the score that occurs most frequently.
The time in months was 24 12 8 20 3 18 24 25 27 [Original data set].
Ordering the number of months from least to greatest, we get:
3 8 12 18 20 24 24 25 27[Arrange in order].
24 occurred two times and no other score occurred more than once.
The score which occurs most often (the mode for the given data) is 24.
Answer: 24 [b) and d)].
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