<span>Analysts often refer to the three V’s when describing characteristics of big data.
The three V's when describing characteristics of big data are:
- Volume (the amount of the data)
- Variety (the number of types of the data)
- Velocity (the time that we need to process the data)</span>
Answer:Sample 1
Explanation:
Given
N=sample size=64
for first sample
mean 
variance
standard deviation
Standard error of the mean


For second sample
mean 
variance
standard deviation
Standard error of the mean


It is observed error for sample 1 is more than error in sample 2 thus
Thus sample 1 is associated with a larger standard error of the mean
The answer is "<span>her need for competence".
Need for competence implies the want to control and ace the earth and result. We need to know how things will turn out and what the outcomes are of our actions. Competence advances the quest for testing and profoundly fulfilling encounters and is a foundation for mental development and prosperity.
</span>
The chemist would like to study a leaf changing colour.i.e. about the reaction behind it.