The melting points of two alloys used in formulating solder were investigated by melting 21 samples of each material. The researchers want to investigate the claim the claim that the alloys have different melting points. Assume that both populations are normally distributed and have the same standard deviation. What kind of hypothesis test should the researchers do
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Your science teacher brings in a speaker to talk to your class about climate change. during the session, students ask a few questions. which questions are related to the current evidence on climate change
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Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?
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Ateacher gives students four liquids commonly found in the kitchen - vinegar, apple juice, dish detergent, and milk - and ph indicator strips, which measure acidity. the teacher asks the students to put the liquids in order from most acidic to most basic. what type of investigation could the students conduct to determine the correct order for the liquids?
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The melting points of two alloys used in formulating solder were investigated by melting 21 samples...
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