IV. Activity Proper General Directions: In answering the exercises in the Learning Activity Sheet (LAS), please be reminded not to write anything here. Read each problem carefully and all answers must be written in a separate sheet of paper. Exercise 1: Answer the following: 1. A population consists of the values (1, 3, 4). List down all the possible samples of size 2 that can be drawn from this population with replacement. 2. A population consists of the data (c, d, f). List down all the possible samples of size 2 with replacement. 3. A population consists of the values (1, 3, 7). List down all the possible samples without replacement. 4. What is the population mean of (4, 6, 5)? 5. What is the population mean of (5, 8, 9, 12)? Guide Question: 1. What keywords will lead you to arrive at the correct answer?Exercise 2: Do the following: 1. There are 120 teachers. Select a sample of 40 teachers by using the systematic sampling technique. 2. You want to select 35 people from a population of 150. How are you going to do it using Table of Random Numbers? 3. There are 180 barangays in Iloilo City. According to Wikipedia, Iloilo City has 91,487 families. The researcher wants to conduct a study on family planning within this area wherein her sample must only consist of 150 families. How is she going to choose the members of her sample? Guide Questions: 1. How did you determine the type of random sampling used in each problem? 2. While answering, what have you noticed with the given in the problem from each type of random sampling?Exercise 2: Do the following: 1. The following are the heights to the nearest centimeter of 15 English teachers in St. Joseph's Academy. 162 160 152 164 154 153 163 155 161 165 156 165 166 160 151 Compute the following: a. Population mean b. Population variance c. Population standard deviation Guide Question: 1. From the problem above. what process will you perform first? 6