D-Tagatose (below) is a naturally occurring sweetener that is 92% as sweet as sucrose but has only 38% of the calories. Which epimer of D-glucose undergoes keto-enol tautomerization to give D-tagatose? 
Definitions:
SRS
Simple Random Sampling, a method of sampling where every individual has an equal chance of being selected from a population.
T Procedure
A statistical method used to infer the unknown mean of a population based on a sample mean, especially when the sample size is small.
Non-Normality
A characteristic of a dataset that deviates from the bell-shaped curve associated with a normal distribution, potentially affecting statistical tests.
Skewness
Skewness is a measure of the asymmetry of the probability distribution of a real-valued random variable about its mean, indicating how much the distribution leans towards the left or right.
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