Identify which of these types of sampling is​ used: random,​ systematic, convenience,​ stratified, or cluster. To determine her blood sugar level​, Britney divides up her day into three​ parts: morning,​ afternoon, and evening. She then measures her blood sugar level at 4 randomly selected times during each part of the day. What type of sampling is​ used? A: Cluster B: Random C: Convenience D: Stratified E: Systematic

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