UCF QMB 3200 FINAL EXAM ACTUAL 2025/2026 CORRECTLY ANSWERED

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UCF QMB 3200 FINAL EXAM ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS Doubling the size of the sample will - Answer -reduce the standard error of the mean The sample mean is the point estimator of - Answer -U A simple random sample of size n from an infinite population of size N is to be selected. Each possible sample should have - Answer -the same probability of being selected Which of the following statements regarding the sampling distribution of sample means is incorrect? - Answer -The standard deviation of the sampling distribution is the standard deviation of the population. A simple random sample of size n from an infinite population is a sample selected such that - Answer -each element is selected independently and is selected from the same population The fact that the sampling distribution of sample means can be approximated by a normal probability distribution whenever the sample size becomes large is based on the - Answer -central limit theorem. Cluster sampling is - Answer -a probability sampling method. The central limit theorem states that - Answer -if the sample size n is large, then the sampling distribution of the sample mean can be approximated by a normal distribution. Need assistance on Online classes, Exams & Assignments? Reach out for instant help!! Full Course Assistance, Plagiarism-free Essay Writing, Research Paper, Dissertation, Discussion Posts, etc…. Confidential & Secure services. Tutors are available for all subjects! Email now at: tutorjean01@gmail.com The value of the _____ is used to estimate the value of the population parameter - Answer -sample statistic The sampling distribution of is the - Answer -probability distribution of all possible values of the sample proportion. Which of the following is not a symbol for a parameter? - Answer -S. The sample statistic characteristic s is the point estimator of - Answer -σ.. The distribution of values taken by a statistic in all possible samples of the same size from the same population is called a - Answer -sampling distribution. Which of the following is a point estimator? - Answer -S. As a rule of thumb, the sampling distribution of the sample proportion can be approximated by a normal probability distribution when - Answer -n(1 - p) ≥ 5 and np ≥ 5. A sample of 92 observations is taken from an infinite population. The sampling distribution of is approximately - Answer -normal because of the central limit theorem. The central limit theorem is important in Statistics because it enables reasonably accurate probabilities to be determined for events involving the sample average - Answer -when the sample size is large regardless of the distribution of the variable. The distribution of values taken by a statistic in all possible samples of the same size from the same population is the sampling distribution of - Answer -The sample Need assistance on Online classes, Exams & Assignments? Reach out for instant help!! Full Course Assistance, Plagiarism-free Essay Writing, Research Paper, Dissertation, Discussion Posts, etc…. Confidential & Secure services. Tutors are available for all subjects! Email now at: tutorjean01@gmail.com