Answer:
The correct answer is 4
Explanation:
OVB stands for the Omitted Variable bias, is the term which is defined as the any variable which is not involves or included as the independent variable in the regression, which could influence or impact the variable that is dependent.
From the above options, the omitted variable is the variable which is defined as the which has been left out, if involves, will state the reason why the variable will be considered in the study are correlated to each other.
Companies felt that unions were conspiracies which interfere with property right because, unions usually challenge the employers about the working conditions of their workers and the manner the employers treat their workers; they fight for the rights of the worker. Because of this, employers usually do all they can to stop unions from forming.
Well there are approximately 104 weekend days in a year (not including a leap year) and if he takes 2 weeks off it which would include 4 weekend days you would be left with 100 weekend days. So 100x8=800. So you would work a total of 800 hours in a year.
The answer is<u> "2. cluster sampling."</u>
Cluster sampling alludes to a kind of sampling technique . With cluster sampling, the scientist partitions the populace into isolated gatherings, called groups. At that point, a basic random sample of clusters is chosen from the populace. The analyst leads his investigation on information from the inspected clusters.
Contrasted with simple random sampling and stratified sampling, cluster sampling has points of interest and disservices. For instance, given equivalent example sizes, group testing normally gives less accuracy than either simple random sampling or stratified sampling. Then again, if travel costs between clusters are high, cluster sampling might be more practical than alternate strategies.
