The Heights (In Cm) for a Random Sample of 60

question 70

Multiple Choice

The heights (in cm) for a random sample of 60 males were measured. The sample mean is 166.55, the standard deviation is 12.57, the sample kurtosis is 0.12, and the sample skewness is −0.23. The following table shows the heights subdivided into non-overlapping intervals. The heights are subdivided into five intervals. The degrees of freedom for the goodness-of-fit test for normality is ________.

• A) 2
• B) 3
• C) 4
• D) 5

---

Definitions:

Long-term Memory

The aspect of memory in which information is stored for extended periods, ranging from several minutes to a lifetime.

Retroactive Interference

A memory impairment phenomenon where new information interferes with the recall of old information.

Encoding

The initial process of transforming sensory information into a form that can be stored and recalled later from the memory.

Decay

The process of decline in quality, power, or vigor; the decomposition of organic matter.