In West Texas, Cotton Has Become an Important Crop in the Last

question 70

Multiple Choice

In west Texas, cotton has become an important crop in the last several decades. However, in this hot, dry part of the country there is little rainfall, so farmers irrigate their cotton fields. They must also regularly fertilize the cotton fields because the soil is very sandy. The figure below shows the record of annual productivity (measured in kilograms of cotton per hectare of land) since 1960 in a west Texas cotton field. Use these data to answer the following questions.

-Based on the information provided in the above figure, what is the most likely cause of the decline in productivity?

• A)The farmer used the wrong kind of fertilizer.
• B)The cotton is developing a resistance to the fertilizer and to irrigation water.
• C)Water has accumulated in the soil due to irrigation.
• D)The soil water potential has become more negative due to salination.
• E)The rate of photosynthesis has declined due to irrigation.

Learn about the impact of sample size on statistical measures such as standard error.

Identify parameters as numerical characteristics of a population.

Understand the concept of sampling error as it relates to the sample mean and population mean.

Calculate the number of possible simple random samples from a given population size.

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Definitions:

Casual Acquaintances

Relationships or connections between people who know each other but do not have a deep or close friendship.

Shareholder

An individual or entity that owns one or more shares of stock in a corporation, thereby having a financial stake and certain rights within the company.

Corporation

A legal entity that is distinct and separate from its owners, which can own property, incur liabilities, and is subject to taxation.

Cumulative Voting

A voting system in corporate governance that allows shareholders to concentrate their votes on a single candidate, enhancing minority shareholders' representation.