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Qual teste Post-Hoc é mais apropriado para comparar grupos quando há
homogeneidade de variâncias, as amostras são pequenas e existem poucos grupos em comparação?
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Task instructions:
You are taking part in an English debate club discussion on online learning. You should give a 3 to 5-minute talk in which you present your opinion on the issue. After the talk, you should answer three questions. Study the material provided below (the content and arguments) in order to plan your talk.
In your talk you should:
• formulate the issue raised in the material, • compare the information provided in the material, • state your opinion on the issue, • support your opinion with at least two arguments, including reasons and examples, • come to a conclusion.
Source 1:
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Source 2:
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How do teens find online learning compared to in-person schooling?
Source: Common Sense Media/SurveyMonkey poll, August 20-27, 2020, N=890 teens age 13-17
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Online courses have expanded rapidly and have the potential to extend further the educational opportunities of many students particularly those least well served by traditional educational institutions. However, in their current design online courses are difficult, especially for the students who are least prepared. These students’ learning and persistence outcomes are worse when they take online courses than they would have been had these same students taken in-person courses.
www.brookings.edu
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After your talk, please, answer three questions:
1. Which subjects could be difficult to study online?
2. How could students self-motivate when studying?
3. What practical study habits do students need when learning online?
Based on the results of the hypothesis test conducted in Lab 3.3 Excel, Performing a t-test for Difference in Means to Determine If the Differences Between In-Person and Online Sales Are Statistically Significant, what is the correct decision? Assume that alpha is set at 0.10 and a one-tailed hypothesis test is appropriate.
If there are 6 transactions on 11/1, 3 transactions on 11/2 and 10 transactions on 11/3, what is the proportion of the 11/1 transactions to the total transactions that occur during the first three days of November?