This quiz works best with JavaScript enabled. Home > Economics > Agricultural Economics > Agricultural Statistics And Economics > Agricultural Statistics And Economics – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Agricultural Statistics And Economics Quiz 13 (4 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Is a characteristics that is being studied is called ..... A) Continuous variable. B) Qualitative variables. C) Quantitative variables. D) Variable. E) Discrete variable. Show Answer Correct Answer: D) Variable. 2. Construct a 98% confidence interval for the population mean, $\mu$. Assume the population has a normal distribution. A study of 14 car owners showed that their average repair bill was $ 192 with a standard deviation of $ 8. A) ($ 187.52, $ 196.48). B) ($ 185.03, $ 198.97). C) ($ 188.38, $ 195.62). D) ($ 186.33, $ 197.67). Show Answer Correct Answer: D) ($ 186.33, $ 197.67). 3. A researcher studying reaction time of drivers states that, "A 95% confidence interval for the mean time it takes for a driver to apply the brakes after seeing the brake lights on a vehicle in front of him is 1.2 to 1.8 seconds. What are the point estimate and margin of error for this interval? A) Point estimate = 1.2 seconds; margin of error = 0.6 seconds. B) Point estimate = 1.2 seconds; margin of error = 0.3 seconds. C) Point estimate = 1.5 seconds; margin of error = 0.6 seconds. D) Point estimate = 1.5 seconds; margin of error = 0.3 seconds. Show Answer Correct Answer: D) Point estimate = 1.5 seconds; margin of error = 0.3 seconds. 4. Each student at a school has a student identification number. Counselors have a computer generate 50 random identification numbers, and the students associated with those numbers are asked to take a survey.What type of sample is this? A) Simple random sampling. B) Systematic random sampling. C) Cluster random sampling. D) None of the above. Show Answer Correct Answer: A) Simple random sampling. ← PreviousRelated QuizzesAgricultural Economics QuizzesEconomics QuizzesAgricultural Statistics And Economics Quiz 1Agricultural Statistics And Economics Quiz 2Agricultural Statistics And Economics Quiz 3Agricultural Statistics And Economics Quiz 4Agricultural Statistics And Economics Quiz 5Agricultural Statistics And Economics Quiz 6Agricultural Statistics And Economics Quiz 7Agricultural Statistics And Economics Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books