Inferential statistics
a. are used to generally describe the data.
b. are used to make conclusions about the data. c. focus mainly on scales of measurement.
d. focus mainly on standard deviations.

Inferential statistics are usually used to conclude data

Explanation:

Inferential statistics is the body part of statistics. It has been used to define the data of a study. Inferential statistics have two branches. It is used for random sampling from the population and described the data collected from the population. Inferential statistics used when the whole population data collection is not convenient or possible.  

For instance, if a person wants to collect the data of a nail that is manufactured the mill that is impractical and impossible. Thus inferential statistics is beneficial here to collect the data and to describe the data.

the question deals with financial planning and the answer is that dan did not stay on budget due to the fact that this guy needs to start decreasing his discretionary spending. according to the financial plan, he needed to balance his expenses and resources.

answer; a cost benefit analysis;