◆ Statistics

What a biostatistician
really does.

20 tasks, each one witnessed by the sources that watched the job — and behind every one, a prompt you can use tonight.

20evidenced tasks
29,030in the US (2025)
$105,650median pay / year
6systems it runs on
See the 20 tasks ↓Open in the atlasThe full career map →
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Analyze clinical data
Clean and validate the week 12 locked clinical dataset, run prespecifi…3 sources agree

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The work, task by task

20 tasks
Hands on the work12
Analyze clinical data+
Clean and validate the week 12 locked clinical dataset, run prespecified efficacy and safety analyses with adjusted covariates, flag any protocol deviations or missingness patterns, and produce the analysis-ready tables and datasets for review by Friday noon.
jdonetwiki3 agree
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Interpret clinical trial data+
Review the interim efficacy outputs and safety listings, assess treatment effect sizes and confidence intervals against the DSMB stopping rules, write a succinct interpretation focused on clinical relevance and limitations, and circulate to the clinical lead and DSMB secretary by Wednesday.
jdonetwiki3 agree
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Write statistical reports+
Draft the statistical methods and results sections for the study report: describe population definitions, model specifications, sensitivity analyses, and then populate results with formatted tables and figures ready for inclusion in the CSR by next Tuesday.
jdonet2 agree
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Design studies+
Draft the study design summary including objectives, endpoints, inclusion criteria, randomisation scheme, blinding approach and planned analyses, then prepare a two-page brief for the steering committee meeting on Thursday.
jdonet2 agree
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Write analysis reports+
Produce the full analysis report for the primary and secondary endpoints: assemble datasets, run the final models, create labelled tables and annotated listings, write findings with limitations, and deliver a review copy to the clinical lead by end of day Friday.
jdonet2 agree
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Assign work to biostatistical assistants or programmers.+
Divide the upcoming analysis into tasks: data cleaning, variable derivation, model fitting, and table/figure production; assign each task to a named assistant or programmer with due dates, deliverables and sample code snippets, and circulate the assignment by Monday.
onetwiki2 agree
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Interpret analysis results+
Review the latest model outputs, list the primary effect estimates, confidence intervals and p values, note any model convergence warnings or influential observations, and write a one-page interpretation focused on clinical relevance and limitations for the PI by Wednesday.
jdwiki2 agree
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Provide biostatistical consultation to clients or colleagues.+
Prepare a consult note for Dr. Morales that summarizes the appropriate statistical approach for her cohort study, outlines required sample size, potential confounders and recommended analysis steps, and schedule a one-hour follow-up to resolve protocol questions.
onet
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Grow the practice5
Watch and assess3

What the work runs on

named inside the evidenced tasks
10 tasksMicrosoft Officefor drafting and formatting the report text and integrating tables and figures into the clinical study report
7 tasksIBM SPSS Statisticshandles dataset validation, missingness checks and running specified statistical tests for clinical data
7 tasksMicrosoft Excelfor summarising results, calculating effect sizes and confidence intervals and compiling tables for reviewOpen its task library →
5 tasksGittrack dataset versions and record provenance during iterative cleaning
1 taskMicrosoft PowerPointcreate and share a concise one-page memo/slide for stakeholders
1 taskMicrosoft Wordassembles the text, tables and captions into a review-ready documentOpen its task library →
Browse every evidenced software task →

The same task, four heights

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ExecuteDo today's task, with fewer mistakesyou are here → ImproveMake it easy for the next person to acceptin the atlas → DecideWork out the right move when it is unclearin the atlas → BecomeLearn the pattern so it stops coming backin the atlas →

Can AI actually do this job?

the honest answer

It can

where it genuinely helps
  • Explain the theory behind the work
  • Draft, tidy and structure your writing
  • Rehearse a hard conversation before you have it
  • Build a study plan that fits your gaps

It cannot

where it stops, completely
  • Be in the room where a biostatistician actually works
  • Carry the responsibility when the call is wrong — that weight stays yours
  • Notice what no one wrote down: the hesitation, the thing left unsaid
  • Live with the outcome

What the work pays

two countries, two different measures

United States

this exact occupation · BLS 2025
  • $105,650 a year — the middle: half earn more, half earn less
  • The lowest tenth earn near $64,000; the top tenth near $174,050
  • 29,030 people employed in this occupation

India

the occupation GROUP, not this job · PLFS via ILOSTAT 2025
  • ₹26,152 a month — the median for Technicians and associate professionals, the group this work sits in
  • India publishes pay by broad occupation group, so this covers many jobs besides this one. It is a shape, not a salary.
read this carefullyThese two numbers are not comparable and must not be converted into each other. One is a yearly figure for this job alone; the other is a monthly figure for a whole family of jobs. What travels between them is the pattern, not the amount: experience lifts pay almost everywhere.

Where the evidence lives

open any of it yourself
O*NETThe US Department of Labor's own record of this job11 of these tasks Job descriptionsReal postings, in the wild13 of these tasks WikipediaHow the world describes this work7 of these tasks US Bureau of Labor StatisticsPay and employment, by occupation2025 figures UK NOS SFJPA2.1Analyse and report datanational standard

Close to this work

12 nearby
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Questions people actually ask

You usually split time between data work, meetings, and writing. Morning might be checking data from IBM SPSS or Excel, running scripts, and reviewing quality checks for new patients.

Afternoons often have calls with clinicians or study teams to decide what data to collect or to explain analysis results. End the day writing parts of a statistical report, lab meeting slides in PowerPoint, or commenting on a protocol document in Word.

Start with Microsoft Excel and IBM SPSS Statistics. Excel is used every day for small data checks and tables; SPSS is common for clinical data summaries and tests.

Learn Git once you write programs (R, Python) or collaborate on code. Git helps track changes. Also be comfortable with Word and PowerPoint for reports and presentations.

Use AI for drafting code snippets, summarizing papers, or brainstorming analysis approaches, but never let it replace your statistical checks. Always run, test, and validate any code AI suggests, and document who wrote what.

Do not upload identifiable patient data to public AI services. Keep patient-level data in approved systems, and record AI use in analysis reports or grant applications if it influenced results.

According to the U.S. Bureau of Labor Statistics (BLS, 2025), there are about 29,030 employed biostatisticians. The median pay is $105,650 per year.

The lowest tenth earn about $64,000 and the top tenth about $174,050. Use those numbers to set salary expectations, but actual pay varies by sector, location, and experience.

Take courses in statistics, experimental design, and biostatistics methods. Practice by designing a small study: decide which variables to collect, write a short protocol, and simulate data in Excel or SPSS.

Then run analyses, write an analysis report in Word, and make slides in PowerPoint. Seek feedback from a mentor and try assisting on a real study to learn drafting statistical reports and ensuring trial integrity.

A biostatistician focuses on statistical design, analysis, and interpretation in biological or clinical research—designing studies, deciding data to collect, and ensuring statistical integrity of trials.

Epidemiologists study disease patterns and often lead study design and field work. Data scientists build predictive models and pipelines across many domains. Roles overlap; the biostatistician is the statistical expert on trials and publications.

Clear communication: explaining statistical findings in biological research and writing analysis reports or grant proposals. If you cannot explain results to clinicians, your analysis won’t be used.

Technically, reproducible programming and documentation (using Git, writing calculation programs, and producing clean SPSS/Excel outputs) make your work reliable and trusted by cross-functional teams.