centimeters...
The answer will depend on what the comparison is to be made with and also on how "better" is being judged. The arithmetic average is the best linear unbiased estimate as well as the maximum likelihood estimate of the centre. The best estimate for the spread depends on whether the data comprise the population or a sample from the population.
Feet and inches.
The millimetre.
For a desk like one used in schools the best unit would be pounds. Good luck on your measuring!
Centimeters would be best for measuring a skunk.
which is a better estimate for length of a pencil
A measuring beaker.
A balance is the best tool for measuring mass.
amount of what.
a tape measure
Tons
The answer will depend on what the comparison is to be made with and also on how "better" is being judged. The arithmetic average is the best linear unbiased estimate as well as the maximum likelihood estimate of the centre. The best estimate for the spread depends on whether the data comprise the population or a sample from the population.
a tape measure
i would say 150 grams
A caliper would be the best tool for measuring the width of a pencil lead. It is precise and allows you to measure small dimensions accurately.
miles
Feet and inches.