Weigh the cylinder and liquid, and then calculate the density of the liquid. Repeat this procedure to find the density of each liquid. 2) Determine the density of each of the above, using a hydrometer and an ungraduated cylinder. Read the density from where the liquid crosses the hydrometer's scale. 3) Weigh and record the mass of an unknown metal cylinder. Also record the identity of the unknown metal cylinder (A, B, C, or D).
Both Allegra and Equate Allergy Relief are antihistamine drugs that reduce the severity of symptoms such as runny nose, sneezing, itchy eyes, nose and throat. However, while Allegra also combats fatigue caused by allergies, Equate Allergy Relief causes drowsiness.
The essential difference between a z-score and t-test is that the z-score provides and requires information about the ___ whereas the t-test makes estimates from the ___.