2798 hands-on tasks to practice real job skills - earn XP, build a track record, get noticed for internships.
Read the chart and answer every question (70% correct to pass).
Read the chart and answer every question (70% correct to pass).
Read the chart and answer every question (70% correct to pass).
Read the chart and answer every question (70% correct to pass).
Read the chart and answer every question (70% correct to pass).
Read the chart and answer every question (70% correct to pass).
Read the chart and answer every question (70% correct to pass).
Find the buggy line.
Find the buggy line.
Find the buggy line.
Find the buggy line.
Find the buggy line.
Find the buggy line.
Read the chart and answer every question (70% correct to pass).
Read the chart and answer every question (70% correct to pass).
Read the chart and answer every question (70% correct to pass).
Compute correlation.
Use LARGE.
Compute a percentile.
Use SUMPRODUCT.
Flexible lookup.
Compute CAGR.
Count unique.
Return A, B or C.
Combine conditions.
Use absolute references.
Simple subtraction.
Pick an approach.
Interpret a model result.
Pick a metric.
Spot the flaw.
Interpret repeated testing.
Pick a SQL tool.
Model history.
Choose an approach.
Communicate results.
Resolve discrepancies.
Follow good practice.
Interpret uncertainty.
Sequence a basic regression workflow.
Sequence responsible outlier handling.
Sequence model validation.
Sequence a classical hypothesis test.
Order the datasets from lowest to highest spread (standard deviation).
Sequence text cleaning.
Sequence a simple forecast.
Sequence root cause investigation.
Print the first comma-separated field of sales.csv using awk.
Count rows in the orders table of sales.db.
Run the Python script clean.py.