Display rules - these are how people are expected to behave and express themselves such as good sportsmanship
Answer:
The correct answer is option a.
Explanation:
Productivity can be defined as a measure of the efficiency of a person, factory, machine, system, etc, to convert inputs into outputs. In other words, it is the rate of output per unit of input.
Productivity is an important determinant of living standards. A higher level of productivity means better living standards. This implies that growth in productivity is the key determinant of growth in living standards.
The answer is C. Stratified random sampling is a method of sampling that involves the division of a population into smaller sub-groups known as strata. In stratified random sampling or stratification, the strata are formed based on members' shared attributes or characteristics such as income or educational attainment. Since the students are divided into classes, this is a stratified random sample.
Market economy and free enterprise
