Data Engineering Zoomcamp 2025

Homework 2: Workflow Orchestration Statistics

Distribution of scores and reported study time for this homework.

Submissions

686

Median total score

6

Average total score

6

Score distribution

All values are points.

Questions score

Min
-
Median
6.0
Max
6
Q1
5.0
Avg
5.5
Q3
6.0

Learning in public score

Min
-
Median
0.0
Max
7
Q1
0.0
Avg
0.6
Q3
0.0

Total score

Min
-
Median
6.0
Max
14
Q1
5.0
Avg
6.2
Q3
6.0

Time distribution

All values are hours reported by students.

Lectures

Min
0.5
Median
6.0
Max
70.0
Q1
4.0
Avg
8.2
Q3
10.0

Homework

Min
0.0
Median
3.0
Max
48.0
Q1
2.0
Avg
4.4
Q3
5.0

Question breakdown

Correctness and answer distribution per question.

1. File size

578 / 685 correct (84.4%)

1 128.3 MB 578 (84.4%)
2 134.5 MB 75 (10.9%)
3 364.7 MB 21 (3.1%)
4 692.6 MB 9 (1.3%)

2. Rendered value

647 / 685 correct (94.5%)

1 {{inputs.taxi}}_tripdata_{{inputs.year}}-{{inputs.month}}.csv 24 (3.5%)
2 green_tripdata_2020-04.csv 647 (94.5%)
3 green_tripdata_04_2020.csv 9 (1.3%)
4 green_tripdata_2020.csv 3 (0.4%)

3. Number of rows (yellow, 2020)

637 / 685 correct (93.0%)

1 13,537,299 7 (1.0%)
2 24,648,499 637 (93.0%)
3 18,324,219 23 (3.4%)
4 29,430,127 13 (1.9%)

4. Number of rows (green, 2020)

634 / 685 correct (92.6%)

1 5,327,301 19 (2.8%)
2 936,199 7 (1.0%)
3 1,734,051 634 (92.6%)
4 1,342,034 21 (3.1%)

5. Number of rows (yellow, March 2021)

636 / 685 correct (92.8%)

1 1,428,092 27 (3.9%)
2 706,911 5 (0.7%)
3 1,925,152 636 (92.8%)
4 2,561,031 13 (1.9%)

6. Timezone for trigger

628 / 685 correct (91.7%)

1 Add a timezone property set to EST in the Schedule trigger configuration 12 (1.8%)
2 Add a timezone property set to America/New_York in the Schedule trigger configuration 628 (91.7%)
3 Add a timezone property set to UTC-5 in the Schedule trigger configuration 30 (4.4%)
4 Add a location property set to New_York in the Schedule trigger configuration 11 (1.6%)

Calculated: 7 February 2025, 12:47