Measurement, Errors, Data and Unit Conversion
The median is a measure of central tendency. It may be defined as:
The value that has half the values greater than it and half less than it
The value that occurs most often
The distribution of values that has the mode, mean and average equal to each other
The sum of all values divided by the number of values
The value that has half the values greater than it and half less than it
Median is the midpoint of the number of measured values. The value that appears most often in a set of data is called the mode.
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Given that 1 mmHg = 0.133 kPa, how can a systolic BP measurement of 120 mmHg be converted to a measurement in kPa?A. Divide 120 by 0.133
B. Multiply 120 by 0.133
C. Divide 0.133 by 120
D. Add 0.133โ120
How many micrograms are there in 0.25 g?
A. 250
B. 25,000
C. 250,000
D. 25,000,000
What is meant when a person’s mass is stated as 73.6 kg? That:
A. The mass is closer to 73.6 than it is to 73.7 or 73.5.
B. The mass is closer to 73.6 than to any other value.
C. The mass is between 73.5 and 73.7.
D. The mass is 73.6 ยฑ0.1 kg.
How many milligrams are there in 1 ฮผg?
A. 0.001
B. 1000
C. 0.1
D. 1000 000
How many micrograms are there in 1 mg?
A. 0.001
B. 0.1
C. 100
D. 1000
What is the result of converting 650 ฮผg to mg?
A. 0.650
B. 6.50
C. 65
D. 65,000
What is 1.25 g converted to micrograms?
A. 125
B. 1250
C. 12,500
D. 1,250,000
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