General Instruction:

Your task is to collect data from the topic of your choice given below. Present the

data using confidence intervals. The data should have at least 15 entries and maximum of 50 and should follow the formulas correctly. Answer each item given below. Make sure to attach the copy of raw data.

TOPICS:

• Recorded temperature for the past weeks
• Weight of students
• Recorded cost of gasoline for the past weeks Height of students
• Cost of Electricity bill

QUESTIONS:

1. What is the mean and standard deviation of the data collected?

2. What is the sample size?

3. Compute for the margin of error.

4. What is the confidence interval of the data?

5. Interpret the confidence interval.

6. Compute for the length of confidence interval.