Each statement illustrates an example of qualitative data since there is no mention of any quantitative value.
<h3>What is meant by qualitative analysis? </h3>
The determination of non-numerical values which gives information about the species participating in a chemical reaction is called qualitative analysis. For example, analysing the products of the reaction or the time it takes for product formation.
This kind of analysis is not a reliable analysis like the quantitative analysis. In quantitative analysis, we have to analyze the amount of energy consumed or the amount of product formed.
No such analysis is made in the case of qualitative analysis which makes this kind of analysis less reliable and data-oriented.
Therefore, the statements mentioning which sample is heavier, which sample takes longer to react and which sample increased the temperature by 3 degrees are all statements which are examples of qualitative analysis.
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It's often impossible to repeat trials on the same subjects. 2-Subjects may report an inaccurate medical history. 3-It can be difficult to control all possible variables. 4-It's impossible to come up with testable scientific questions for human subjects.
One is the <u>acceleration of the impulse</u> and the second one is <u>deceleration of the impulse</u>.
The Richter scale is accurate only for small earthquakes near seismograph stations. Large or earthquakes that happens far from seismic stations have the tendencies that it doesn’t work.
The Richter Scale assigns a number rating (from 1 - 10) to an earthquake. The rating is based on how fast the ground moves at a seismic station.
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