Thirty-Three Students Were Asked to Rate Themselves on Whether They

question 105

Short Answer

Thirty-three students were asked to rate themselves on whether they were outgoing or not using this five point scale: 1 = extremely extroverted, 2 = extroverted, 3 = neither extroverted nor introverted, 4 = introverted, or 5 = extremely introverted. The results are shown in the table below:
a. Calculate the sample mean.
______________
b. Calculate the median.
______________
c. Calculate the sample standard deviation.
______________

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Definitions:

Vertebrate Groups

Categories of animals with backbones, including mammals, birds, reptiles, amphibians, and fish.

Nematocyst

A specialized cell in the tentacles of a cnidarian, such as a jellyfish, containing a barbed or venomous coiled thread that can be projected in self-defense or to capture prey.

Cnidarians

A phylum of aquatic invertebrates known for their specialized cells called cnidocytes, which they use for capturing prey.