Exhibit 1-1 Consider the Following Figure That Is a Blow-Up

question 44

Multiple Choice

Exhibit 1-1 Consider the following figure that is a blow-up view of a region of a 50 mL burette to answer the following question(s) . The density of ethanol was measured in two steps. The first step involved measuring its volume using a burette. The mass of this volume was then measured.
-Refer to Exhibit 1-1. Look carefully at the figure above of the burette. Read the burette at the bottom of the meniscus as accurately as possible to the proper number of significant digits. What volume should be recorded for the volume delivered from this burette assuming the liquid level started at the top as zero milliliters?

• A) 36.25 mL
• B) 36.2 mL
• C) 35. mL
• D) 35.7 mL
• E) 35.75 mL

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Definitions:

Coefficient of Variation

A normalized measure of the dispersion of a probability distribution or frequency distribution, often expressed as a percentage.

Standard Deviation

A metric that quantifies the spread of a dataset around its mean, computed as the square root of the variance.

Variability

A measure of how spread out or dispersed the scores in a dataset are.

Bell Shaped Histograms

Histograms showing the frequency distribution of data that forms a symmetrical, bell-shaped curve, indicating a normal distribution.