Answer:
b. 2x+1
Step-by-step explanation:
mean=sum of all the observation/ total number of
observation
= x+2x+5x+1+3/4
= 8x+4/4
= 4(2x+1)/4
= 2x+1
therefore: b option is a right answer
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Answers & Comments
Answer:
b. 2x+1
Step-by-step explanation:
mean=sum of all the observation/ total number of
observation
= x+2x+5x+1+3/4
= 8x+4/4
= 4(2x+1)/4
= 2x+1
therefore: b option is a right answer