The t-test is commonly used to examine whether exactly two groups are significantly different from each other on some score or measure.
The t-test is a a type of inferential statistic used to compare the means of two groups. This is often used in hypothesis testing to determine if a process really affects the population of interest, or if the two groups are different from each other. The t-test shows how important the difference between group means is. It notifies you if these differences may have occurred by mistake. Companies use the t-test to compare two different means and see if they come from the exact same population.
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The most useful in understanding how the cost of a college education has risen is data and statistics. Data is a set of information or facts that is collected. For instance, in this case the data could include how much was payed for tuition during the last 20 years. Statistics is a field of math that deal with data collection, organization and analysis. Therefore, statistics would allow one to interpret data in order to draw conclusions.
The answer is "25 %".
The study directed in the 1950's. The Asch Experiment, by Solomon Asch, was a well known investigation intended to test how peer pressure to accommodate would impact the judgment and singularity of someone. Asch utilized a lab test to investigate about congruity, whereby 50 males from Swarthmore College took part.
Completely and totally false.
