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you randomly selecting entire clusters to sample. For example, if an elementary school had five different grade eight classes, cluster random sampling might be used and only one class would be chosen
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the learning app. frequently asked questions – faqs q1 what is mode in statistics? a mode, in statistics, is defined as the value that has higher frequency in a given set of values. it is the value that appears the most number of times. q2 how to find mode for given set of values...
Your statistics class questions this claim. As a class, you randomly select 30 batteries and find that the sample mean life span is 16.7 hours. If the process is working properly, what is the probability of getting a random sample of 30 batteries in which the sample mean lifetime is 16.7...
To make our case studies more experiential, we have introduced interactive elements including quizzes and coding exercises using the learnr (Schloerke, Allaire, and Borges Citation2020) and gradethis (Aden-Buie et al. Citation2021) packages. We include a mix of multiple choice questions and co...
Their answers are displayed below. Mathematics History Biology Total Grade 7 20 17 13 50 Grade 8 18 10 22 50 Identify the correct relative frequency of students who like mathematics. 23. The two-way frequency table below illustrates the results of a survey conducted in two cities to know...
A closed question has fixed choices for answers, whereas an open question is a free-response question. Discuss the advantages and disadvantages of each type of question. Closed questions are easier to analyze, but limit the responses. Open questions allow respondents to state exactly ho...