A Scientist Is Studying the Relationship Between the Depth of a Watermelon

question 26

Multiple Choice

A scientist is studying the relationship between the depth of a watermelon vines' roots and the weight of the watermelons produced. The scientist collects measurements from a random sample of vines. He then conducts a significance test in which the null hypothesis is that there is no correlation between the two variables (correlation = 0) versus the alternative that the correlation is greater than 0. From this test he found a
P-value of 0.0032. What does this tell us?

• A) There is significant evidence that the correlation is greater than 0 at the 0.05 level.
• B) There is no significant evidence that the correlation is greater than 0 at the 0.05 level.
• C) The correlation is very small.
• D) The correlation is very close to 1.

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Definitions:

Hostility

A feeling or attitude of deep animosity, antagonism, or anger toward other individuals or entities.

Negative Affectivity

A personality trait characterized by pervasive negative emotions and mood, including sadness, anxiety, and irritability.

Potential Stressors

Elements or conditions in one’s environment that can potentially cause stress.

Feel Anxious

Experiencing worry, unease, or nervousness about an imminent event or something with an uncertain outcome.