ACTIVITY 1 What Is Your Parameter?
Directions: Determine the parameter to be tested in each situation by writing your
answer on a separate sheet of paper. Translate it into symbols.
1. The television habits of children were observed and found out that the standard
deviation is 12.4 hours per week.
2. A newspaper article stated that students in the country take an average of 4
years to finish their undergraduate degrees. Suppose that you believe the mean
time is longer, you conducted survey on 49 students. The result obtained a sample
mean of 5 with a sample standard deviation of 1.2.
3. According to DOLE, registered nurses in government earned an average monthly
salary of P9,700. For that same year, a survey was conducted on 41 registered
nurses to determine if the mean salary is higher than the previous survey.
Thesample average was P10,000 with a sample standard deviation of P2,500.
4. Records of the Department of Health (DOH) revealed that 14.7% of the country's
Filipino smokers have maintained their habit of smoking.​