Four students found the mean of the data set 26 , 31 , 39 , 30 , 16 , 16 , 18 , 38 Which student found the correct mean?
Answer
A
Daniel’s Work the fraction with numerator 26 plus 31 plus 39 plus 30 plus 16 plus 18 plus 38 and denominator 7 is equal to 198 sevenths is equal to 28 point 2 9
B
Ashrita’s Work the fraction with numerator 26 plus 31 plus 39 plus 30 plus 16 plus 16 plus 18 plus 38 and denominator 8 is equal to 214 eighths is equal to 26 point 7 5
C
Collette’s Work the fraction with numerator 26 plus 38 and denominator 2 is equal to 64 halves is equal to 32
D
Lora’s Work the fraction with numerator 30 plus 16 and denominator 2 is equal to 46 halves is equal to 23