Answer:
d. All of the above
Step-by-step explanation:
a. Statistics provides the tool to measure the central tendency of a given data. One of such measure is the statistical mean popularly referred to as the mean.
b. The correlation between variables can be determined by the use of statistical tools. correlation is the degree to linearity between variables,
c. Experts in different fields from Accounting to Zoology make use of statistics in their analysis.
From the above analysis, it can be safely concluded that all of the above (i.e. option d.) is correct.