Answer:
<u>Cluster sampling</u>
Explanation:
cluster sampling is also called a simple random sampling.
In this sampling, the researchers, select the variable either by simple random sampling or systematic random sampling. the researcher just not to includes the sub-part of sampling but even can include the main sampling in it. in this sampling, the researcher used a geographical cluster to do the sampling in a population.
For example, if a researcher wants to sample n an academic population:
- firstly the researcher divides the population in sub-part
- then researcher select several clusters depends on his research through a systematic random sampling
- from this sampling, the researcher chooses the population with selected subjects through random sampling.
<u>Answer:
</u>
The statement can be evaluated by saying that a large lead that was to be chased by the third team before the game ended made them play more and caused a large margin. Here, the association is not causation.
<u>Explanation:
</u>
- The examination of the statistics done by someone who seems to be one of the players is incorrect.
- It is so because though there is an apparent correlation between two different variables of the study, it has no role to play in the result of the study.
- The lead margin secured by the third team and the overall lead of the teams that played under one coach cannot be said to have influenced each other.
Explanation:
Seven equal value coins amount to $0.61
Let us assume each has a value 0f $x.
Now as per question
7x = 0.61
x = 0.61/7 = 0.087
So each coin was x≅ $0.087
The earth’s most important nonrenewable energy source is <u>"coal".</u>
Non-renewable energy source refers to a source of energy that will in the end run out. Most sources of non-renewable energy source are fossil fuels, for example, coal, gas and oil.
These natural resources are a noteworthy wellspring of intensity for an immense measure of businesses – be that as it may, there are various drawbacks to non-sustainable power source, including their negative ecological effect and the reality they are in constrained supply.
Coal originates from the remaining parts of plants that died a huge number of years prior. It has the most abnormal amount of carbon of every single non-renewable energy source.
Desalination is the process of removing dissolved salt from water , producing freashwater from seawater or brackish water. desalting technologies can be used for many application . I THINK THE ANSWER IS CORRECT !!! =D
