Which is NOT a way to validate a descriptive study? Select one:
a. Scientific Method
b. Logic...
Chemistry, 29.12.2020 01:00 anaroles04
Which is NOT a way to validate a descriptive study? Select one:
a. Scientific Method
b. Logical Reasoning
c. Personal Experience
d. Quasi-Experimental Design
Answers: 2
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The three types is stress that act on earths rocks are compression, tension, and
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Ahelium balloon contains 16.9 l of helium at stp. how many atoms of helium are in the balloon
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What sources of error may have contributed to the percent yield not being 100 percent? think about things that may have led to inaccurate measurements or where mass of the product could have been lost if this experiment was conducted in a physical laboratory.
Answers: 2
Chemistry, 23.06.2019 11:20, bobthebattlebot
The chemical composition of soil varies with depth. an article in communications in soil science and plant analysis describes chemical analyses of soil taken from a farm in western australia. fifty specimens were each taken at depths 50 and 250 cm. at a depth of 50 cm, the average no3 concentration (in mg/l) was 88.5 with a standard deviation of 49.4. at a depth of 250 cm, the average concentration was 110.6 with a standard deviation of 51.5. find a 95% confidence interval for the difference in no3 concentrations at the two depths.
Answers: 1
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