Alexa is studying groups of people who live in scattered rural areas. She grouped those who lived near the riverside, by the foot of the mountain, and by the rice fields. What sampling technique is she using?a.Cluster Samplingb.Systematic Random Samplingc.Simple Random Samplingd.Stratified random sampling

What is cluster sampling?a.A sampling technique that divides the population into groups and randomly selects entire groupsb.A sampling technique that involves selecting every nth item from a listc.A sampling technique that focuses on a specific group within a populationd.A sampling technique that involves selecting individuals who are readily available

Aisha has to collect survey data for her class. She asks her friends and family members to participate, and she posts on social media to try to get people to participate. What kind of sampling is this?  cluster sampling   self-selection sampling   convenience sampling   quota sampling

Leah wants to sample students from universities across Canada. She groups the universities by region and then samples from each subgroup. Which of the following types of sampling strategies is Leah most likely using? Simple random samplingSystematic sampling Cluster samplingAggregate sampling

A sampling method that divides the population into clusters or groups and randomly selects some of the clusters for the sample.

Which sampling method involves dividing the population into clusters and randomly selecting entire clusters for the sample?Review LaterSimple random samplingStratified samplingSystematic samplingCluster sampling