In the autumn of 2003, the National Safe Kids Campaign conducted a study of helmet use among children ages 5 to 14 who participate in wheel sports. Data were collected from various sites across the United States that were designated as places where children often engage in wheeled sports. Activity, apparent gender, and estimated age were recordedfor each rider, along with information on helmet use. It was found that, overall, 41% of children were wearing a helmet while participating in a wheeld sport. A) Was the study an experiment or an observational study?B) Identify the parameter of interest.C) Identify the statistic and give its value.D) Classify the four variables as numerical or attribute.A)observational studyB)the parameter of interest is the population proportiont= ~ N(0,1) here = can assume but population proportion is not given in question. we= t=D) activity- attribute…
National Safe Kids Campaign
Plagiarism-free and delivered on time!
We are passionate about delivering quality essays.
Our writers know how to write on any topic and subject area while meeting all of your specific requirements.
Unlike most other services, we will do a free revision if you need us to make corrections even after delivery.