A researcher designs a study to examine the relationship between gender and time spent talking in a group. According to the researcher, the outcome of the study is likely to be that males talk more than females in a gender-balanced group. The researcher's statement about the outcome of the study is an example of a prediction.
The United States has a mixed economy, A mixed economic system protects private property and allows a level of economic freedom in the use of capital, but also allows for governments to intervene in economic activities in order to achieve social aims and for the public good.
When reading a graduated cylinder, a proper way to do it is to read at the level of the lower or upper meniscus. It is the curve formed at the upper part of a particular liquid that is close the surface of its container. This is caused by the surface tension. It can be in a concave or convex form depending on the characteristics of the liquid. It is important especially in performing laboratory experiments as it indicates the true level of the liquid in the container. When reading from apparatus, the lower meniscus or the upper meniscus is taken as the correct reading otherwise you would record a wrong data.
