Use the Following Information to Answer the Question -Choose the Correct Null and Alternative Hypothesis

question 16

Multiple Choice

Use the following information to answer the question. A dowsing rod is a "Y" or "L" shaped instrument that some believe can find ground water. Many dowsers today use a pair of simple L-shaped metal rods. One rod is held in each hand, with the short arm of the L held upright, and the long arm pointing forward. When something is found, the rods cross over one
another making an "X" over the found object. Skeptics of dowsing conducted an experiment to see if dowsing rods could find ground water. Five identical 3 foot by 3 foot plots of land were sectioned off and a container of water was buried in one of the plots. Below is a summary of the experiment results and the output for the goodness-of-fit test. $\begin{array}{l|c|c} & \begin{array}{c}\text { Correctly identified } \\\text { location of ground water }\end{array} & \begin{array}{l}\text { Incorrectly identified } \\\text { location of ground water }\end{array} \\\hline \text { Observed } & 21 & 57 \\\hline \text { Expected } & 15.6 & 62.4\end{array}$


$\begin{array} { l } \chi ^ { 2 } \text { GOF-Test } \\\chi ^ { 2 } = 2.336538462 \\p = 1263700849 \\\text { d.f. } = 1 \\\text { CNTRB } = \{ 1.86923 \ldots\end{array}$
-Choose the correct null and alternative hypothesis.

• A) H0: The dowsing rods work no better at locating ground water than guessing. Ha: The dowsing rods work better at locating ground water than guessing.
• B) H0: The dowsing rods correctly identify the location of ground water 50% of the time. Ha: The dowsing rods correctly identify the location of ground water more than 50% of the
• Time.
• C) H0: The dowsing rods work better at locating ground water than guessing. Ha: The dowsing rods work no better at locating ground water than guessing.
• D) H0: The dowsing rods correctly identify the location of ground water 20% of the time. Ha: The dowsing rods correctly identify the location of ground water more than 20% of the
• Time.

Understand the impact of attachment styles on self-perception and perception of others.

Recognize the role of attachment theory in explaining social and emotional development.

Identify appropriate body parts for subcutaneous injections.

Recognize different types of vaccines and their corresponding diseases.

---

Definitions:

Aggregate Demand

The total call for goods and services throughout an economy, calculated at a predetermined price level during a given time period.

U.S. Financial Institutions

Organizations that provide financial services, such as banks, insurance companies, and stock exchanges, within the United States.

Bonds

A rephrased definition: Fixed-income investments that represent loans made by an investor to a borrower, typically corporate or governmental.

Real GDP

Gross Domestic Product adjusted for inflation, providing a more accurate reflection of an economy's size and how it's growing over time.