Question

Quiz: Chapter 1 Post-lest Time Remaining: 00:46:25 Submit Quiz This Question: 1 pt 15 of 22 (14 complete) ► This Quiz: 22 pts possibl Identify the type of sampling used (random, systematic, convenience, stratified, or cluster sampling) in the situation described below. In a poll conducted by a certain research center, 1114 adults were called after their telephone numbers were randomly generated by a computer, and 22% were able to correctly identify the president. Which type of sampling did the research center use? O O O O O Random sampling Systematic sampling Convenience sampling Cluster sampling Stratified sampling Click to select your answer. Chapter 3 Pre-Test O of 1 Study Plan for Chapter 3 Post-Test MacBook Pr

Answer 1

Answer : Random Sampling

Randam Sampling(option- ) Answer TOndomly generated by Computer, the telephone numbers were Here therefore it is random Sampling. Randam Sampling Note Tn this meth od, element is selected at Tandom fram the populabion (2) Systematic Sampling To dras Systema tic sample of Size n Sampling units are this method populatian equal parts numbered to N, uhere N is the we divide popula according to serial numbers. Supposh each of part includes k Size. In in n units Lwe NEnk) assume (3) cluster Sampling population consists of several Sometimes : 3Yaups, hich 9YDups In duster sampling Convenient to use Sampling units. These are a S are called clusters as Con sider cluster Sampling unit as rwe and choase Simple random sSample of clusters. (4) stratified Tandom Someling F populatien is not homagereous , divided into several hamageneous groups called strata. A simple random Sample of then entire papulatian Suitable size is seleeted from each s bratum.