An Investigation of the Effectiveness of a Training Program to Improve

question 35

Multiple Choice

An investigation of the effectiveness of a training program to improve customer relationships included a pre-training and post-training customer survey. To compare the differences, they computed (post-training survey score - pre-training survey score) . Seven customers were randomly selected and completed both surveys. The results follow: Determine the calculated value oft. Was the training effective in improving customer relationships when tested at a 0.05 level of significance?

• A) -2.542; Reject the null hypothesis and conclude that the training was effective
• B) 2.542; Reject the null hypothesis and conclude that the training was ineffective
• C) 2.447; Fail to reject the null hypothesis and conclude that mean survey scores are the same
• D) 2.542; Fail to reject the null hypothesis and conclude that the mean survey scores are not equal.
• E) 2.447; Reject the null hypothesis and conclude that the training was effective

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Definitions:

Mycorrhizae

Symbiotic associations between fungi and plant roots, which enhance nutrient and water absorption by the plants.

Photosynthetic

A process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water, involving the green pigment chlorophyll.

Chloroplasts

Organelles found in plant cells and eukaryotic algae that conduct photosynthesis, converting light energy, water, and carbon dioxide into oxygen and glucose.

Bread Molds

Fungi, particularly in the genus Rhizopus, that grow on bread under humid conditions, causing spoilage.