Activity 1

a. 0.44 For numbers 11 - 15. Determine whether the statement describes a a. Parameter or b. Statistics 11. Number of senior high schools in Region 3. 12. Average age of students in Ditumabo National High School. For numbers 16 - 20. Identify the type of sampling method. a. Lottery Sampling b. Systematic Sampling c. Stratified Sampling 13. Every five files out of 500 files will be chosen. 14. There are 20 toddlers, 40 teenagers, 45 middle aged and 55 senior citizens in a certain area. Samples are taken according to the total number of people in the area. 15. All the names of the employees of the company are put in a raffle box. Il. Probability of Standard Normal Distribution Direction: Compute the following probabilities using the standard normal curve. Construct a curve then shade the region corresponding to the area. 1. P(Z > 1.65) 2. P (z