Which of the Following Is True in China Due to the One-Child

question 90

Multiple Choice

Which of the following is true in China due to the one-child policy?

• A) The per-capita net income of families has decreased.
• B) Life expectancy has increased.
• C) The incidence of a number of diseases has increased.
• D) It has prevented nearly one billion births between 1979 and 2010.

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Definitions:

Degrees Of Freedom

The total count of values that can change in the ultimate calculation of a statistical figure.

Standard Normal Distribution

A bell-shaped distribution that has a mean of zero and a standard deviation of one, used in probability and statistics.

T-Distribution

A type of probability distribution that arises when estimating the mean of a normally distributed population in situations where the sample size is small and population standard deviation is unknown.

Confidence Intervals

Statistical intervals that estimate where a population parameter, based on sample data, is expected to lie, including a range of possible values.