Find the Critical Value $$\alpha = 0.05$$

question 118

Essay

Find the critical value. Assume that the test is two-tailed and that n denotes the number of pairs of data.
-A college administrator collected information on first-semester night-school students. A random sample taken
of 12 students yielded the following data on age and GPA during the first semester. Do the data provide sufficient evidence to conclude that the variables age, x, and GPA, y, are correlated? Apply
a rank-correlation test. Use $$\alpha = 0.05$$

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Definitions:

Supply

The total amount of a good or service that is available for purchase at various prices in a given market.

Japanese Yen

The official currency of Japan, used as a medium of exchange and a standard of value within the country.

Upsloping

Describes a curve or line on a graph that shows an increase in value or quantity as it moves from left to right.

Flexible Exchange Market

Refers to a foreign exchange market where exchange rates are allowed to move due to market forces without intervention by country governments.