A Researcher Is Interested in Estimating the Mean Weight of a Semi

question 6

Multiple Choice

A researcher is interested in estimating the mean weight of a semi tracker truck to determine the potential load capacity.She takes a random sample of 17 trucks and computes a sample mean of 20,000 pounds with sample standard deviation of 1,500.The 95% confidence interval for the population mean weight of a semi tracker truck is ______________.

• A) 19,232 to 20,768
• B) 19,365 to 20,635
• C) 19,229 to 20,771
• D) 19,367 to 20,633
• E) 119.89 to 122.12 18,500 to 21,500

---

Definitions:

Confirmation Bias

The inclination to seek out, understand, prefer, and remember information in a manner that validates one's previously held beliefs or theories.

Social Skills

The set of skills people use to communicate and interact with others effectively, which includes both verbal and non-verbal communication, empathy, and understanding social cues.

Terman's Study

A long-term psychological study beginning in 1921 by Lewis Terman, focusing on the development and characteristics of gifted children into adulthood.

Algorithm

A finite sequence of well-defined, computer-implementable instructions, typically to solve a class of problems or to perform a computation.