calculate-average-gene-expression-q1

Question

Using the single-cell dataset in AnnData format located at pbmc3k.h5ad, determine the average log-normalized expression for the gene S100B in all cells belonging to the group labeled 'B cells' in the 'louvain' metadata column. Use adata.X for already log-normalized expression. Use two decimal places in the answer.

Predicted answer

-0.14Most likely answer for this question; not uniquely determined from submitted scores.

Domain

Single-cell

Question style

Routine Analysis

An answer can be uniquely inferred for 54 of 100 questions from submitted scores. Green: correct · Red: incorrect. For questions without a uniquely determined answer: Blue: matches prediction · Orange: differs from prediction. These are inferred answer checks, not official per-question grades.