DrVocation Is Giving a Lecture on Recent Changes in the U.S.work

question 180

Multiple Choice

Dr.Vocation is giving a lecture on recent changes in the U.S.work world.He should mention all of the following trends EXCEPT:

• A)more job and career changing.
• B)more job insecurity.
• C)women now earning as much as men.
• D)a disappearing barrier between work and family time.

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Definitions:

Level of Significance

The probability of rejecting the null hypothesis in a statistical test when it is actually true; a measure of how unlikely results are due to chance.

Degrees of Freedom

The amount of free variables or measures that may change within an analysis while still adhering to all limitations.

T-statistic

A type of statistic used to estimate the significance of a difference between two sample means, given in terms of standard error.

Alpha

In statistical hypothesis testing, it represents the probability of committing a Type I error; the threshold significance level.