Examlex
Which of the following statements about ideal solutions is(are) true? I) Entropy effects are important for the formation of ideal solutions.
II) The heat of solution is zero.
III) The vapor pressure varies linearly with the composition.
IV) The forces between like kinds of molecules are (almost) equal to the forces between unlike kinds of molecules.
Random Sample
A sample drawn in such a way that each member of the population has an equal chance of being selected.
Female Customers
A specific segment of the market made up of women or those identifying as female who purchase goods or services.
Standard Deviation
Standard deviation is a measure of the dispersion or spread of a set of numbers, indicating how much individual numbers in a dataset deviate from the mean or average.
Random Variable
A statistical variable whose outcomes are numeric and result from unpredictable events.
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