01
Three Longest-Producing Wells in Each County
SQL02
Operators With Wells in More Than One County
SQL03
First and Peak Production Month per Well
SQL04
Wells Producing in Every Year From 2019 to 2023
SQL05
Ten Longest Active Wolfcamp Laterals
SQL06
Largest Gain From One Buy and One Later Sell
Coding07
Longest Streak of Equal Adjacent Values
Coding08
Comparing Heavily Right-Skewed Well Outcomes Across Counties
MCQ09
Best Visual to Compare the well_status Mix Across Counties
MCQ10
Principal When CI Minus SI at 10% for 2 Years Is 50
MCQ11
Who Is Immediately Left of Brock at the Eight-Seat Table
MCQ12
Who Sits Between C and D at the Seven-Student Round Table
MCQ13
CAGR When Revenue Grows From 1,000 to 1,728 in 3 Years
MCQ14
Three Workers Together From Pairwise Completion Times 12, 15 and 20 Days
MCQ15
Recovering a Commit Lost After git reset --hard
MCQ16
Effect of Lowering k in Top-k Sampling
MCQ17
Result of df.sort_values('x', ascending=False).head(5)
MCQ18
Practical Difference Between a Git Branch and a Release Tag
MCQ19
Role of __init__ in a Python Class
MCQ20
What df.shape Returns
MCQ21
Types of Memory Used by AI Agents
MCQ22
Unstage a File While Keeping Its Edits in Git
MCQ23
df.apply axis=0 Versus axis=1
MCQ24
Default ddof in pandas Series.std() vs NumPy np.std()
MCQ25
Fixing a Dashboard Overloaded With 20 Visuals
MCQ26
What groupby(...).transform('mean') Returns
MCQ27
Difference Between @classmethod and @staticmethod
MCQ28
Pandas Expression for IQR Upper Outliers
MCQ29
Why Differently Spelled Words Sit Close in Embedding Space
MCQ30
How df.apply(func, axis=1) Calls the Function
MCQ31
Metric to Optimise When Catching Failing Pumps
MCQ32
Output of df.isnull().sum() in pandas
MCQ33
Why Excessive Colors Hurt a Chart
MCQ34
Condition for a Stationary Time Series
MCQ