Trace this program:  let cart = [“Phone”, “Charger”]; let to…

Trace this program:  let cart = [“Phone”, “Charger”]; let total = 0; for (let i = 0; i < cart.length; i++) { total += i; if (cart[i] === "Phone") { cart.push("Headphones"); } else { cart.pop(); } console.log(`i=${i}, item=${cart[i]}, total=${total}, cart=[${cart.join(", ")}]`); } console.log("Final cart:", cart); console.log("Final total:", total);

ABC Hospital decides to try and better understand how their…

ABC Hospital decides to try and better understand how their patients experience communication with Emergency Room doctors. To do this, they develop a doctor/patient communication survey and hand it out to every other patient as the patient is discharged from the Emergency Room. After one month of handing out the surveys, they realize they receive back about 1 out of every 3 they hand out.   What is the Sample in this study?

Research Firm LLC has decided to survey adults about their t…

Research Firm LLC has decided to survey adults about their texting and driving behaviors. They decided to write their own survey instrument because they could not find one they thought fully fit their research questions.   Because they developed the survey, Research Firm LLC wanted to be as sure as possible that the survey was reliable and valid before they sent it out to their desired sample. One way to do this is through:

Tyrone decides to take a basic sample of the parents at his…

Tyrone decides to take a basic sample of the parents at his son’s band club to determine their feelings about practices during break. To collect his sample, Tyrone draws names of parents from the band club out of an Excel list at random. Tyrone ensures every person has an equal chance of being selected; individuals are selected one at a time and independently. What type of sampling Tyrone use?