Asking questions related to the homepage, checkout, pricing page, and navigation reveal great insights. Some sample questions you can ask are: Was it easy to find what you were looking for? Were the words/vocab used to define categories/sub-categories clear to you? Do you have any ...
Answer all questions. Electronic calculators may be used. You may lose marks if you do not show your working or if you do not use appropriate units. At the end of the examination, fasten all your work securely together. The number of marks is given in brackets [ ] at the end of each...
Hypothesis testing for a proportion seeks to determine where a statistic falls within a specified range, typically from multiple-choice questions. Learn the conditions and procedures used in hypothesis testing for proportions. Background on Proportions Can you tell by asking 10 of your friends if ...
Subsequently, and dependent upon the level of granularity of the model, it is imperative to delineate the energy policy instruments (such as policy tools) that will be implemented, clarifying the manner, timing, and agents responsible for their execution. Subsequently, the objectives that the model...
With A/B testing, you can compare different subject line versions to determine the highest performer. Here are some testing ideas: Add numbers (where relevant) Include the recipient's name Ask questions Create a sense of urgency Eliminate words that trigger spam filters (e.g., Earn extra, Fr...
At a 5% significance level (95% confidence level), what is the critical value (s) in this test? Do we reject the null hypothesis?Hypothesis TestingThe hypothesis test is a statistical test that is either parametric or non-parametric. In th...
Approximately, 47.3 % of these participants identified themselves as non-management employees; 34.3 % as low-level managers; 8% as middle-level managers; and, 10.4 % as upper-level managers. Regarding company tenure, 30.8 % of them had worked for their companies for more than 11 years; ...
②gather new data(questions that cannot be answered using existing data)(research/surveys/focus groups) 。可以结合retrospective:可以先通过focus group develop ideas about what you wanna look at,然后你到你的log里面去找data去做retrospective/observational analysis (without experiment structure的) ...
Answer to: In all statistical tests, finding a p-value lower than the alpha level is evidence to reject the null hypothesis. a. True b. False By...
However, that doesn’t mean you can’t learn the intricacies of A/B testing and apply them in your campaigns. Here are five A/B testing tips to help improve your conversion rates and take your business to the next level. Come up with a clear test hypothesis ...