BRAINLIEST TO CORRECT ANSWER!!!

The table shows the number of practice problems completed in 30 minutes in three samples of 10 randomly selected math students.

Which statement is most accurate based on the data?

A. A prediction based on the data is not completely reliable because the means are too close together.

B. A prediction based on the data is reliable because each sample has 10 data points.

C. A prediction based on the data is reliable because the means of the samples are close together.

D. A prediction based on the data is not completely reliable because the means are not the same.

I know it's not (B.) But, PLEASE HELP!!

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