Among a Sample of 78 Students Selected at Random from One

question 30

Short Answer

Among a sample of 78 students selected at random from one college, the mean number of siblings is 1.5 with a standard deviation of 1.2. Estimate the mean number of siblings for all students at this college. Give the 95% confidence interval to two decimal places.

---

Definitions:

Effective Communication

The ability to convey information to another effectively and efficiently, often considered a key skill in both personal and professional settings.

Correct Channel

The proper or most effective route or medium for communication or distribution.

Effective Message

Communication that is clearly understood, received as intended, and accomplishes its intended purpose.

Vital Signs

Measurements of the body’s most basic functions, including temperature, pulse, respiration rate, and blood pressure.