Public Opinion.
The other assumptions are listed in the related link. The answer you are looking for is the same variance or standard deviation.
The word conduct has two syllables. The syllables are con-duct.
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For the first part of your question: "http://wiki.answers.com/Q/What_three_elements_are_necessary_to_conduct_a_t-test_in_statistics_and_find_a_critical_value_and_test_for_a_scenario... This is a simple explanation, but a start. T-tests measure the difference between the means of 2 groups. The 2 groups should be of the same size. You take the difference between the means (a) and divide that by the Standard error of the difference between the means (b). a/b = t The Standard Error is the standard deviation divided by square root of the size of the population (n = number of things in the sample size). You need 2 standard errors because you have 2 populations. (To get the difference of the standard error, take the sum of the square of the standard deviation for each population, and divide the sum by n. Then take the square root of that calculation. That is the standard error of the difference of the mean. That goes into the denominator of the calculation from the 1st paragraph. FYI - variance = the square of the standard deviation.Once you've found t, you need to look it up in table. But you also need the degrees of freedom which is the sum of n for both groups, minus 2; and you need your confidence level, like at .05.
public opinion
The policies and rules both employees and employers must adhere to.
Necessary standard of conduct and dress are often explained in the code of conduct.
I suggest that it means "carry out". Thus conduct a trial would mean carry out (or do) a trial.
Not in its standard solid state. But it will conduct electricity if molten or dissolved in water.
Chivalry code.
ethics
You have been asked by your manager to conduct a preliminary search of recommending the two most common types of contemporary planning techniques - Project Management and Scenario Planning.
In the obsolete use of the word, conduct means an escort or guide. Conduct can also mean the act, manner, or process of carrying on. Conduct can be a mode or standard of personal behavior especially as based on moral principles.
standard care
Not in their standard solid states, but they can if molten or dissolved in water.
When molten or dissolved in water it can but in its standard, solid state it cannot.