Data Engineering Zoomcamp 2026

Homework 7: Streaming Statistics

Distribution of scores and reported study time for this homework.

Submissions

425

Median total score

6

Average total score

6

Score distribution

All values are points.

Questions score

Min
2
Median
6.0
Max
6
Q1
4.0
Avg
5.2
Q3
6.0

Learning in public score

Min
-
Median
0.0
Max
7
Q1
0.0
Avg
0.7
Q3
1.0

Total score

Min
2
Median
6.0
Max
14
Q1
5.0
Avg
5.9
Q3
6.0

Time distribution

All values are hours reported by students.

Lectures

Min
0.0
Median
5.0
Max
96.0
Q1
3.0
Avg
8.9
Q3
9.0

Homework

Min
0.0
Median
5.0
Max
72.0
Q1
3.0
Avg
6.6
Q3
7.0

Question breakdown

Correctness and answer distribution per question.

1. Redpanda version

425 / 426 correct (99.8%)

Answer Count
v25.3.9 224
25.3.9 69
rpk version: v25.3.9 34
v24.2.18 10
v25.3.10 4
24.2.18 3
redpanda:v25.3.9 3
V25.3.9 3
rpk version 2
v23.3.5 2
25.3.10 2
rpk version (Redpanda CLI): v25.3.9 (rev 836b4a36ef6d5121edbb1e68f0f673c2a8a244e2) 2
v24.2.7 2
docker exec -it workshop-redpanda-1 rpk version 2
rpk version: v25.3.9 Git ref: 836b4a36ef6d5121edbb1e68f0f673c2a8a244e2 Build date: 2026 Feb 26 07 48 21 Thu OS/Arch: linux/amd64 Go version: go1.24.3 Redpanda Cluster node-1 v25.3.9 - 836b4a36ef6d5121edbb1e68f0f673c2a8a244e2 2
v24.1.1 1
v24.3.2 1
rpk version (Redpanda CLI): v25.3.10 (rev 534e36666feb4a9bf7576bebc3290fc849dd7141) 1
docker exec -it 7_streaming-redpanda-1 rpk version rpk version: v25.3.9 Git ref: 836b4a36ef6d5121edbb1e68f0f673c2a8a244e2 Build date: 2026 Feb 26 07 48 21 Thu OS/Arch: linux/amd64 Go version: go1.24.3 Redpanda Cluster node-1 v25.3.9 - 836b4a36ef6d5121edbb1e68f0f673c2a8a244e2 1
v24.2.1 1
Go version: go1.24.3 1
The version of Redpanda is v25.3.9 1
docker exec -it streaming-workshop-redpanda-1 rpk version rpk version: v25.3.9 Git ref: 836b4a36ef6d5121edbb1e68f0f673c2a8a244e2 Build date: 2026 Feb 26 07 48 21 Thu OS/Arch: linux/amd64 Go version: go1.24.3 Redpanda Cluster node-1 v25.3.9 - 836b4a36ef6d5121edbb1e68f0f673c2a8a244e2 1
v25.3.9. 1
v23.3.18 1
redpanda:v23.2.26 1
rpk version: v25.3.10 1
23.3.7 1
v24.2.10 1
1 1
node-1 v25.3.9 1
redpanda version 25.3.9 1
Version: v23.3.5 1
v23.1.2 1
v25.3.29 1
redpandadata/redpanda:v25.3.9 1
v24.3.1 1
23.3.18 1
https://github.com/Beertek22/zoomcamp-module-seven-homework/tree/main 1
rpk version: v25.3.9 Git ref: 836b4a36ef6d5121edbb1e68f0f673c2a8a244e2 Build date: 2026 Feb 26 07 48 21 Thu OS/Arch: linux/amd64 Go version: go1.24.3 Redpanda Cluster node-0 v25.3.9 - 836b4a36ef6d5121edbb1e68f0f673c2a8a244e2 1
v23.2.19 1
The version of Redpanda is v25.3.9. 1
rpk version: v25.3.9 Git ref: 836b4a36ef6d5121edbb1e68f0f673c2a8a244e2 Build date: 2026 Feb 26 07 48 21 Thu OS/Arch: linux/amd64 Go version: go1.24.3 Redpanda Cluster node-1 v25.3.9 - 836b4a36ef6d5121edbb1e68f0f673c2a8a244e2 1
v23.2.x 1
v24.x 1
Version: v23.3.21 1
Hrpk version: v25.3.9 1
v22.3 1
run rpk version 1
v24.2.x 1
v23.x 1
v24.2.18 - f9a22d443087b824803638623d6b7492ec8221f9 1
23.3.5 1
- rpk version: v25.3.9 - Cluster node: v25.3.9 1
The Redpanda version running on is v25.3.9 1
v25.3.9 - 836b4a36ef6d5121edbb1e68f0f673c2a8a244e2 1
- 1
22.3.5 1
v23.3.15 1

2. Sending data to Redpanda

425 / 426 correct (99.8%)

1 10 seconds 309 (72.5%)
2 60 seconds 67 (15.7%)
3 120 seconds 13 (3.1%)
4 300 seconds 37 (8.7%)

3. Consumer - trip distance

362 / 426 correct (85.0%)

1 6506 8 (1.9%)
2 7506 33 (7.7%)
3 8506 363 (85.2%)
4 9506 21 (4.9%)

4. Tumbling window - pickup location

375 / 426 correct (88.0%)

1 42 11 (2.6%)
2 74 376 (88.3%)
3 75 19 (4.5%)
4 166 5 (1.2%)

5. Session window - longest streak

280 / 426 correct (65.7%)

1 12 18 (4.2%)
2 31 66 (15.5%)
3 51 42 (9.9%)
4 81 281 (66.0%)

6. Tumbling window - largest tip

329 / 426 correct (77.2%)

1 2025-10-01 18:00:00 23 (5.4%)
2 2025-10-16 18:00:00 330 (77.5%)
3 2025-10-22 08:00:00 27 (6.3%)
4 2025-10-30 16:00:00 26 (6.1%)

Calculated: 1 April 2026, 09:37