In elementary statistics, the normal distribution is often used to find confidence intervals. But in reality, most of these intervals are found using the t-distribution — especially if you are working with small samples. Contents (Click to Skip to Section) What is a Confidence Interval? How ...
F Table for alpha=.10, alpha=.05, alpha=.025 and alpha=.01. Articles on how to use the F Table, How to find the F Statistic plus Excel, SPSS and Minitab,
Definition of p-value and its comparison with alpha level. Learn how to find p-value using the p-value formula and a few commands to find p-value...
While this might work in everyday conversation, in the realm of statistics, "significant" has a very specific meaning—it refers to the likelihood that a result is not due to random chance. That said, in business and other decision-making environments, the term often takes on a broader ...
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You hear about results being statistically significant all of the time. But, what do significance levels, P values, and statistical significance actually represent? Why do we even need to use hypothesis tests in statistics? In this post, I answer all of these questions. I use graphs and con...
Self-regulated learning (SRL) encompasses cognitive, metacognitive, and motivational learning strategies and is highly relevant for academic achievement. A
Due to the continuous progress of constructing sustainable environments in China, the role played by the Chinese central government as the main body for promoting green development is worth studying. Because China’s ecological civilization building has
Step 2:Transfer your variables (q1 to q5) into “Items,”. The model default should be set as “Alpha.” Step 3:Click “Statistics” in the dialog box. Step 4:Select “Item,”“Scale,” and “Scale if item deleted” in the box description. Choose “Correlation” in the inter-item...
How to find a five-number summary in statistics: Overview The five number summary includes 5 items: The minimum. Q1 (the firstquartile, or the 25% mark). Themedian. Q3 (the thirdquartile, or the 75% mark). The maximum. The five number summary gives you a rough idea about what your...