What are the null and alternative hypothesis? A hypothesis test uses sample data to determine whether to reject the null hypothesis. The null hypothesis states that a population parameter (such as the mean, the standard deviation, and so on) is equal to a hypothesized value. The alternative hypothesis is what you might believe to be…
How do I look convincing? Make gestures and expressions. Moving your hands and making facial expressions while you speak can make you seem confident and convincing. For instance, when you say something positive, smile a bit and open your eyes a little wider. If you don’t move at all while you are speaking, people might…
What is the use of while? We can use while or as to talk about two longer events or activities happening at the same time. We can use either simple or continuous verb forms: We spent long evenings talking in my sitting-room while he played the music he had chosen and explained his ideas. How…
What is Chi-Square t-test and F-test? The chi-square goodness-of-fit test can be used to evaluate the hypothesis that a sample is taken from a population with an assumed specific probability distribution. An F-test can be used to evaluate the hypothesis of two identical normal population variances. What if degrees of freedom is not on table?…
Is citation same as reference? The terms reference and citation are also often used to refer to the same thing although a citation tends to mean the part of the text within your assignment where you acknowledge the source; whilst a reference usually refers to the full bibliographic information at the end. What are citations…
What do you mean by hypothesis testing? Hypothesis testing is an act in statistics whereby an analyst tests an assumption regarding a population parameter. Hypothesis testing is used to assess the plausibility of a hypothesis by using sample data. Such data may come from a larger population, or from a data-generating process. Why is a…
What are citation issues? Per APA Style, when formatting periodical references (which include journals, magazines, and newsletters), include the issue number (immediately following the volume number in parentheses) when the periodical is paginated by issue (i.e., begins each issue with page 1). What are the two parts of MLA citation? MLA Documentation has two parts:…
How do you cite a AIP style? AIP Citation Style Basics Cite references in the order of appearance using Arabic numbers in superscript format, e.g. Refer to authors in text by Surname only. Use all authors’ names if there are no more than three authors. What should I say about a good employee? Dependability, reliability,…
What is Google Scholar link? Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. This estimate also determined how many documents were freely available on the web. How can I use Google Scholar more effectively? We have…
How many presidents have PHDS? Only one president, Woodrow Wilson, had a doctorate (1913-1921), and, in fact, was president of Princeton University before becoming U.S. president. What president was illiterate? Andrew Johnson Portrait by Mathew Brady 17th President of the United States In office April 15, 1865 – March 4, 1869 Vice President None How…
