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How much water does a plant need to grow?
Which are the constant variables?
The type of plant
How much water you use
Location of plant
How much the plant grows
How long you grow the plant
A measure of how exact a number is.
A measure of how precise a number is.
A measure of how close a number is to its true value.
Based on the number of significant figures
A student measured the mass of a piece of marble and recorded the results in the table below.
The actual value of the mass of the marble is 35.0 g.
With respect to accuracy and precision, the above results are ___________.
accurate and precise
accurate and imprecise
inaccurate and precise
inaccurate and imprecise
Two students used a digital balance to measure the mass of a solid sample.
Each student performed three trials as shown in the table below.
**The actual mass of the solid sample is 6.25g.
Which students data showed HIGH precision
Both students (both are precise)
Neither student (no one was precise)
Four students measured the mass of a 5.43 g block of metal three times.
Which student had the greatest precision and greatest accuracy?