23) B

Let us first calculate the average = (40 + 37 + 26 + 19 + 9 + 4) ÷ 6 = 22.5 cwt

Suzie’s guess was nearer than Wally’s. Average of Wally’s and Suzie’s guesses = (40 + 4) ÷ 2 = 22 cwt

Since Suzie’s guess is nearer, the actual weight of the bull would be between 4 and 22. However, the information given to us says that the average (22.5) is closer than any of the guesses.

The closest guesses to 22.5 are 19 and 26. Since it cannot be more than 22, it cannot be 26.

Looking at the options, it cannot be 20 as it is closer to 19 than 22.5
It can be 21 as this is closer to 22.5 than 19.
It cannot be 22 as this is the average of Suzie’s and Wally’s guess.

So the answer is B (21 cwt).

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