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

question 40

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. At the 5% significance level, the critical value is ________.

• A) 4.605
• B) 5.991
• C) 7.378
• D) 9.210

---

Definitions:

Group Size

Refers to the number of individuals constituting a group, which can significantly influence the group's dynamics, communication patterns, and overall functionality.

Basic Types

Typically refers to fundamental categories or classes in various conceptual frameworks or systems, often used to simplify and categorize complex phenomena.

Personal Groups

Social groups formed based on personal relationships and intimate connections rather than formal structures or purposes.

Primary Groups

Close-knit groups such as family or close friends, characterized by long-term, intimate, and face-to-face interaction which significantly influences the attitudes and ideals of those involved.