A pharmaceutical company claims that a new drug reduces blood pressure more effectively than the standard drug. A clinical trial is conducted, and a hypothesis test is set up as follows:· Null Hypothesis (H₀): The new drug is no more effective than the standard drug (mean reduction ≤ 0).· Alternative Hypothesis (H₁): The new drug is more effective than the standard drug (mean reduction > 0).The test is conducted at a significant level, α=0.05Questions: a) Define Type I and Type II errors in the context of this study. (3)b) Suppose the actual mean improvement is 5 mmHg (i.e., the drug is more effective). Explain what a Type II error would mean in this context. (2)
A host builds anticipation before a flash deal but sees no l…
A host builds anticipation before a flash deal but sees no lift in Click Through Rate (CTR). What is most likely the root cause?
Why is bundling traffic puller and high profit margin produc…
Why is bundling traffic puller and high profit margin products is good assortment strategy for livestreaming?
What grooming aspects should be consistently checked before…
What grooming aspects should be consistently checked before every LIVE session? (Select more than 1 / Select all that apply)
You fit two linear models to predict monthly sales revenue:M…
You fit two linear models to predict monthly sales revenue:Model A uses 3 predictors and achieves R² = 0.91, Adjusted R² = 0.88.Model B uses 6 predictors and achieves R² = 0.93, Adjusted R² = 0.86.Questions: a) Explain why Model B has a higher R² but a lower Adjusted R². (2)b) Which model would you prefer and why? (1)c) How does Adjusted R² penalize complexity? (2)
What’s the best reason to avoid memorizing every line in a L…
What’s the best reason to avoid memorizing every line in a LIVE script?
What is the main purpose of using LIVE Analytics when planni…
What is the main purpose of using LIVE Analytics when planning the next livestream strategy?
In LIVE Session, host explain irrelevant alignment between v…
In LIVE Session, host explain irrelevant alignment between video visuals, on-screen text descriptions, and the featured products. This violate TikTok Regulation about
What is the recommended way to improve audio quality in a li…
What is the recommended way to improve audio quality in a livestream?
Which product is most suitable for forced order strategy?
Which product is most suitable for forced order strategy?