MLOps Zoomcamp 2025

Homework 1: Introduction Statistics

Distribution of scores and reported study time for this homework.

Submissions

631

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
5.6
Q3
6.0

Learning in public score

Min
-
Median
0.0
Max
7
Q1
0.0
Avg
0.4
Q3
0.0

Total score

Min
-
Median
6.0
Max
14
Q1
6.0
Avg
6.1
Q3
6.0

Time distribution

All values are hours reported by students.

Lectures

Min
0.0
Median
2.0
Max
10000.0
Q1
2.0
Avg
32.7
Q3
4.0

Homework

Min
0.0
Median
2.0
Max
9999.0
Q1
1.0
Avg
31.2
Q3
3.0

Question breakdown

Correctness and answer distribution per question.

1. Downloading the data

613 / 633 correct (96.8%)

1 16 7 (1.1%)
2 17 2 (0.3%)
3 18 7 (1.1%)
4 19 615 (97.2%)

2. Computing duration

606 / 633 correct (95.7%)

1 32.59 7 (1.1%)
2 42.59 608 (96.1%)
3 52.59 9 (1.4%)
4 62.59 6 (0.9%)

3. Dropping outliers

609 / 633 correct (96.2%)

1 90% 0 (0.0%)
2 92% 6 (0.9%)
3 95% 13 (2.1%)
4 98% 611 (96.5%)

4. One-hot encoding

588 / 633 correct (92.9%)

1 2 29 (4.6%)
2 155 12 (1.9%)
3 345 8 (1.3%)
4 515 578 (91.3%)
5 715 1 (0.2%)

5. Training a model. RMSE on train

594 / 633 correct (93.8%)

1 3.64 8 (1.3%)
2 7.64 596 (94.2%)
3 11.64 18 (2.8%)
4 16.64 8 (1.3%)

6. Evaluating the model. RMSE on validation

524 / 633 correct (82.8%)

1 3.81 19 (3.0%)
2 7.81 526 (83.1%)
3 11.81 56 (8.8%)
4 16.81 24 (3.8%)

Calculated: 25 May 2025, 04:22