What does it mean if you reject the null hypothesis? If there is less than a 5% chance of a result as extreme as the sample result if the null hypothesis were true, then the null hypothesis is rejected. When this happens, the result is said to be statistically significant . How do you accept…
What is theoretical probability example? For example, if a fair die is rolled 20 times and the number 6 occurs 4 times, then the experimental probability of a 6 on a given roll of the die would be 4/20=1/5. Note that the theoretical probability of a 6 on a given roll would be 1/6, since…
How do you describe a kind hearted person? If you describe someone as kind-hearted, you mean that they are kind, caring, and generous. He was a warm, generous and kind-hearted man. What is the most powerful letter? BMW What’s a nice word that starts with an H? List of Positive Words That Start With H…
What does GREY literature include? The term grey literature refers to research that is either unpublished or has been published in non-commercial form. Examples of grey literature include: government reports. policy statements and issues papers. conference proceedings. Is Google Scholar GREY literature? Google Scholar (GS), a commonly used web-based academic search engine, catalogues between 2…
Can I still get my degree if I fail a class? A failing grade will likely hurt your GPA (unless you took the course pass/fail), which could jeopardize your financial aid. The failure will end up on your college transcripts and could hurt your chances of getting into graduate school or graduating when you originally…
Who told Watson and Crick Their model was wrong? Their three-stranded, inside-out model was hopelessly wrong and was dismissed at a glance by Franklin. Following complaints from the King’s group that Watson and Crick were treading on their toes, Sir Lawrence Bragg, the head of their lab in Cambridge told them to cease all work…
What is a hypothesis and conclusion? A conditional statement (also called an if-then statement) is a statement with a hypothesis followed by a conclusion. The hypothesis is the first, or “if,” part of a conditional statement. The conclusion is the second, or “then,” part of a conditional statement. The conclusion is the result of a…
Why a questionnaire is the best method of data collection? Questionnaires provide a relatively cheap, quick and efficient way of obtaining large amounts of information from a large sample of people. Data can be collected relatively quickly because the researcher would not need to be present when the questionnaires were completed. What are the guide…
What are the strengths of correlation? A correlation coefficient measures the strength of that relationship. Calculating a Pearson correlation coefficient requires the assumption that the relationship between the two variables is linear. The relationship between two variables is generally considered strong when their r value is larger than 0.7. When would you use a correlational…
How do you define null and alternative hypothesis? The null and alternative hypotheses are two mutually exclusive statements about a population. A hypothesis test uses sample data to determine whether to reject the null hypothesis. The alternative hypothesis is what you might believe to be true or hope to prove true. How do you write…
