answer:Based on the provided dataset, there is a clear increasing trend in the number of tourists visiting the city from 2010 to 2020. The number of tourists has consistently increased every year, indicating a steady upward trend. Upon closer examination, it appears that the trend is not only increasing but also relatively linear. The annual increases in the number of tourists are fairly consistent, ranging from 30 to 50 tourists per year, with an average annual increase of 40 tourists. This suggests a stable and predictable growth pattern in tourism over the past decade. There are no apparent anomalies, outliers, or significant fluctuations in the data, which further supports the conclusion of a steady increasing trend. Overall, the local government can infer that the city has experienced a reliable and consistent growth in tourism from 2010 to 2020.

answer:To calculate the average annual growth rate, we can use the compound annual growth rate (CAGR) formula. However, since the growth appears to be relatively linear, we can also use a simple average annual growth rate calculation. The total growth in the number of tourists from 2010 to 2020 is 950 - 520 = 430 tourists. Over 10 years, this represents an average annual growth of 430 / 10 = 43 tourists per year. To express this as a percentage, we can calculate the average annual growth rate as: (43 / 520) x 100% ≈ 8.27% in the first year. However, since the base is changing every year, we should calculate the growth rate for each year and then find the average. A simpler approach is to calculate the total growth percentage over 10 years and then find the average annual growth rate: (430 / 520) x 100% ≈ 82.69% total growth. Then, to find the average annual growth rate, we can use the formula: (1 + (total growth / 100))^(1 / number of years) - 1 ≈ (1 + 0.8269)^(1 / 10) - 1 ≈ 0.065 or 6.5% per year. Alternatively, we can calculate the CAGR directly using the formula: CAGR = ((950 / 520)^(1 / 10)) - 1 ≈ 6.5%. Therefore, the average annual growth rate in the number of tourists is approximately 6.5%.

answer:The average annual growth rate of 6.5% indicates that the number of tourists visiting the city has been increasing at a relatively steady and moderate pace. This growth rate is not extremely high, but it is consistent and predictable, which can make it easier for the local government to plan and invest in tourist infrastructure. A 6.5% growth rate suggests that the city's tourism industry is healthy and has potential for continued growth. Considering this growth rate, it is reasonable for the local government to invest in more tourist infrastructure to accommodate the increasing number of visitors and to maintain the quality of services. However, the government should also consider other factors such as the city's capacity to absorb the growth, environmental and social impacts, and the potential for returns on investment. To estimate the number of tourists in 2025 and 2030, we can use the average annual growth rate of 6.5% to project the future growth. For 2025: Number of tourists in 2020: 950 Number of years: 5 Projected growth rate: 6.5% per year Using the compound growth formula: Projected number of tourists in 2025 ≈ 950 x (1 + 0.065)^5 ≈ 950 x 1.383 ≈ 1,314 For 2030: Number of tourists in 2025 (projected): 1,314 Number of years: 5 Projected growth rate: 6.5% per year Using the compound growth formula again: Projected number of tourists in 2030 ≈ 1,314 x (1 + 0.065)^5 ≈ 1,314 x 1.383 ≈ 1,819 Therefore, based on the constant 6.5% growth rate, the local government could expect to host approximately 1,314 tourists in 2025 and approximately 1,819 tourists in 2030.

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