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STAT 151 - Winter 2023
发布时间:2023-02-03
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STAT 151 - Winter 2023 |
Lab 1 Submission Opened: Wednesday, 1 February 2023, 12:00 AM Due: Friday, 3 February 2023, 9:59 PM
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Question 2 (a) R output for Summary Statistics: 2 marks Total number of facilities: 2 marks Sum of TOTAL: 2 marks Mean, standard deviation, and max values: 3 marks (1 each) Quartiles: 3 marks (1 each) Comparison of mean and median, expected shape of distribution: 4 marks (2 each) (b) Number and percentage of voluntary facilities in 2016: 2 marks Percentage contribution to TOTAL: 2 marks (c) Largest emitter and value in 2016: 2 marks Comparison with value from part (b): 2 marks (d) 95th percentile: 2 marks Percentage contribution to TOTAL of top 5%: 2 marks (e) Sums of TOTAL for each of the 18 sectors in 2016: 4 marks Sector with the largest TOTAL sum in 2016: 2 marks Percentage contribution of the sector: 2 marks Pie chart for TOTAL sums for 18 sectors: 4 marks Comments: 2 marks (f) Properly formatted frequency histogram of TOTAL in 2016: 4 marks Shape: 2 marks Conclusions: 2 marks Maximum score 50 |
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Question 3 (a) Sum of TOTAL for all facilities with TOTAL at 100 kt or more for each year: 2 marks Percentage increase in TOTAL: 2 marks (b) Timeplot: 4 marks Comments: 2 marks (c) Side-by-side boxplot (with proper format) of TOTAL by Year: 4 marks Summary comments about the centers, spreads, and shapes of the 13 distributions: 4 marks Largest emitter(s): 2 marks Progress in reducing emissions by the largest emitter(s) over the period: 2 marks (d) Comparison: 3 marks Information derived from one plot but not the other: 3 marks Maximum score 28 |
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(a) Summary statistics: 5 marks Fill in the table: 2 marks Comments about change in total emissions for Oil Sands: 2 marks Compare mean and median: 1 mark Shape of the distribution: 1 mark Measure of center: 1 mark Measure of spread: 1 mark (b) Timeplot: 4 marks Comments: 2 marks (c) Summaries: 4 marks Comments using percentage changes: 3 marks Timeplot: 4 marks Timeplot interpretation: 3 marks Maximum score 33 |