Beekeepers and Scientists Are Very Troubled by a Recent Decline

question 26

Multiple Choice

Beekeepers and scientists are very troubled by a recent decline in bee populations around the world. What would you predict as a likely consequence of the widespread disappearance of bees?

• A) loss of crop productivity
• B) decline in conifer numbers
• C) disappearance of mosses and ferns
• D) inability of plants to obtain enough nitrogen
• E) increase in prevalence of seedless vascular plants

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Definitions:

Null Hypothesis

A statement used in statistics that suggests no significant difference or effect exists.

Rejection

In statistical hypothesis testing, the decision to refuse the null hypothesis when it is false.

P < .05

Indicates that the probability of the observed data (or something more extreme) assuming the null hypothesis is true is less than 5%, often used as a threshold for statistical significance.

Critical Value

A threshold value used in hypothesis testing to determine whether to reject the null hypothesis.