Question 44
Measures of Central TendencyThe mean of 2−t, 4+t, 3−2t, 2+t and t−1 is
- A.−2
- B.t
- C.−t
- D.2
Show the answer and explanation
Answer: D (2)
Explanation
The t terms cancel (−t + t − 2t + t + t = 0) and the numbers add to 10. Mean = 10 ÷ 5 = 2.