Suppose the Number Y of Medical Degrees Conferred in the United

question 181

Multiple Choice

Suppose the number y of medical degrees conferred in the United States can be modeled by ,for ,where t is the time in years,with corresponding to 1972.Use the test for increasing and decreasing functions to estimate the years during which the number of medical degrees is increasing and the years during which it is decreasing. ​

• A) The number of medical degrees is increasing from 1972 to 1989 and 1997 to 2005, and decreasing during 1989 to 1997.
• B) The number of medical degrees is increasing from 1972 to 1988 and 1996 to 2005, and decreasing during 1988 to 1996.
• C) The number of medical degrees is increasing from 1972 to 1989 and 2001 to 2005, and decreasing during 1989 to 2001.
• D) The number of medical degrees is increasing from 1972 to 1990 and 1996 to 2005, and decreasing during 1990 to 2001.
• E) The number of medical degrees is increasing from 1972 to 1989 and 1995 to 2005,and decreasing during 1989 to 1995.

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Definitions:

Confidence Coefficient

The probability level associated with a confidence interval, indicating the frequency with which an estimated interval would include the parameter if the experiment were repeated.

T Value

A value computed from a sample data used in a t-test in statistics that measures the size of the difference relative to the variation in your sample data.

Confidence Interval

A swath of numerical values, from statistics of a sample, aimed at covering the unascertained value of a population parameter.

Margin of Error

The half-width of a confidence interval, representing the maximum expected difference between the true population parameter and a sample estimate of that parameter.