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:

Synectics

A problem-solving methodology that stimulates thought processes of which the participants are usually unaware, often used in group settings to foster creativity.

Creative Thinking

The ability to think outside the box and generate innovative ideas or solutions to problems.

Triggering

The process of initiating a response, reaction, or series of events, especially when relating to psychological reactions to stimuli.

Nominal Group Technique

A structured method for group brainstorming that encourages contributions from everyone by having members write down their ideas and then discuss them collectively.