Professional Writers
We assemble our team by selectively choosing highly skilled writers, each boasting specialized knowledge in specific subject areas and a robust background in academic writing
Order For Similar Custom Papers & Assignment Help Services
Fill the order form details - writing instructions guides, and get your paper done.
Posted: April 20th, 2022
statistics hw
Question description
Teenage Tobacco Use: In a random sample of 1200 teenagers, 216 had used tobacco of some form in the last year. The managers of an anti-tobacco campaign want to claim that less than 20% of all teenagers use tobacco. Test their claim at the 0.10 significance level.(a) What is the sample proportion of teenagers who use tobacco? Round your answer to 3 decimal places. p̂ = …………………….(b) What is the test statistic? Round your answer to 2 decimal places. z”p = ………………(c) What is the P-value of the test statistic? Round your answer to 4 decimal places. P-value = ……………….AM -vs- PM Height (Raw Data, Software Required):We want to test the claim that people are taller in the morning than in the evening. Morning height and evening height were measured for 30 randomly selected adults and the difference (morning height) − (evening height) for each adult was recorded in the table below. Use this data to test the claim that on average people are taller in the morning than in the evening. Test this claim at the 0.05 significance level.(b) What is the test statistic? Round your answer to 2 decimal places. t-x= ………………….(c) Use software to get the P-value of the test statistic. Round to 4 decimal places. P-value = ……………..
Why choose us
You Want Quality and That’s What We Deliver
Discounted Prices
Our service is committed to delivering the finest writers at the most competitive rates, ensuring that affordability is balanced with uncompromising quality. Our pricing strategy is designed to be both fair and reasonable, standing out favorably against other writing services in the market.
AI & Plagiarism-Free
Rest assured, you'll never receive a product tainted by plagiarism or AI-generated content. Each paper is research-written by human writers, followed by a rigorous scanning process of the final draft before it's delivered to you, ensuring the content is entirely original and maintaining our unwavering commitment to providing plagiarism-free work.
How it works
When you decide to place an order with Nurscola, here is what happens: