#8D **7. Lamb’s-quarter Analysis**Lamb’s-quarter is a weed that affects corn growth. A study involved planting corn with fixed numbers of Lamb’s-quarter plants. The data below show weeds per meter and yield:| | Mean | SD ||-------------------|-------|-------|| Weeds per meter | 3.25 | 3.61 || Yield | 162.9125 | 8.66 |With a correlation of -0.457, answer these:(a) **Equation of Regression Line:** Determine using variables.(b) **Slope Interpretation:** Explain slope in context of the problem.(c) **Intercept Interpretation:** Discuss significance of y-intercept in context.(d) **Variation Explanation:** Proportion of yield variation explained by regression.**8. Leakage from Gasoline Tanks**30% of underground tanks leak. You choose 30 tanks randomly.(a) **Binomial Setting:** Criteria and explanation.(b) **Mean and Standard Deviation:** Calculate for leaking tanks in sample.(c) **Probability of 25 Tanks Leaking:** Determine exact probability.(d) **Probability of at Most 15 Tanks Leaking:** Calculate probability.**9. Wechsler Adult Intelligence Scale (WAIS)**WAIS scores for adults are normally distributed (mean 100, SD 15).(a) **95th Percentile Score:** Determine.(b) **Sampling Distribution for SRS of 60:** Describe.(c) **Probability of Average Score ≥ 105:** Calculate for SRS of 60.**10. Student Poll on New Sports Team**A SRS of 104 students, 37 oppose new sports team. Find and interpret a 90% confidence interval for proportion not in favor.**11. Final Exam Grade Analysis**Grades for 8:00 am final exam:| | 100 | 98 | 95 | 91.5 | 104.5 | 94 | 86 | 84.5 | 73 | 92.5 ||-------|-----|-----|----|------|-------|----|----|------|----|------|| 86.5 | 73.5 | 87 | 72.5 | 82 | 68.5 | 64.5 | 90.75 | 66.5 |Check for outliers.**12. Redwood Tree Diameter Study**A

Name: #8D **7. Lamb’s-quarter Analysis**Lamb’s-quarter is a weed that affect
Uploaded: 2024-03-20T06:46:03.000Z
Channel: Bartleby
Description: #8D **7. Lamb’s-quarter Analysis**Lamb’s-quarter is a weed that affects corn growth. A study involved planting corn with fixed numbers of Lamb’s-quarter plants. The data below show weeds per meter and yield:| | Mean | SD ||-----