Due to the economy, are Americans staying in their first professional job longer? This was a ques- tion of interest for the Federal Jobs Bureau. In 2010, Americans were staying an average of 2.3 years in their first professional job. The data listed below is the length of time (in years) that eighteen randomly selected adults were staying in their first professional job. At the 5% significance level, what conclusion can be reached?

Q: the birth weight (gm) of the infants between MEG and HEG ? H0: ________________________________…

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Q: Lester Hollar is vice president for human resources for a large manufacturing company. In recent…

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Average

In mathematics, everyone must have heard the term average in one place or other. Almost all types of calculation require taking out an average. In everyday life, the term is used for denoting a certain amount that can be said to be a typical quantity for multiple people or objects. In other words, if a group of people possesses a certain object, then the average gives us an idea regarding the quantity of the object possessed by each person. However, this is solely based on mathematical calculation. It is important to note that most people will not strictly have the average value in a group.