The answer is index=main | stats mean(response_time) by host. This search is correct because the stats command with mean(response_time) calculates the arithmetic average of the response_time field, and the by host clause groups that calculation per individual host, producing the average response time for each host. On the Splunk Core Certified Power User SPLK-1003 exam, this question tests your understanding of the correct stats syntax for average per field, specifically that mean() is the function for averages and that grouping requires the by clause. A common trap is confusing mean() with sum() or using eval instead of stats, or forgetting the by clause entirely, which would give a single overall average instead of per-host values. To remember the correct syntax, think of the phrase “stats mean by” as a three-word formula: you always need the function, the field in parentheses, and the grouping field after by.
SPLK-1003 Advanced Searching and Statistics Practice Question
This SPLK-1003 practice question tests your understanding of advanced searching and statistics. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which of the following searches correctly computes the average response time per host?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
index=main | stats mean(response_time) by host
Option A is correct because the `stats` command with `mean(response_time)` calculates the arithmetic mean of the response_time field, and the `by host` clause groups the calculation per host, producing the average response time for each host. This is the standard Splunk syntax for computing averages in a grouped statistics table.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
index=main | stats mean(response_time) by host
Why this is correct
`mean()` is an alias for `avg()` and correctly computes the average per host.
Related concept
Read the scenario before looking for a memorised answer.
✗
index=main | stats average(response_time) by host
Why it's wrong here
`average()` is not a valid stats function; use `avg()` or `mean()`.
✗
index=main | eventstats avg(response_time) by host
Why it's wrong here
`eventstats` adds the average as a field to each event, it does not produce a summary table.
✗
index=main | stats avg response_time by host
Why it's wrong here
Missing parentheses `avg()` is required.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse `eventstats` with `stats` or use incorrect function names like `average`, leading them to choose options that either do not produce a summary table or use invalid Splunk syntax.
Detailed technical explanation
How to think about this question
The `stats` command in Splunk uses aggregation functions like `mean()`, `avg()`, `sum()`, etc., and the `by` clause groups results into separate rows per unique value of the specified field. Under the hood, `mean()` and `avg()` are identical, both computing the sum of values divided by the count, but `mean()` is often preferred for clarity. In real-world scenarios, using `eventstats` instead of `stats` can be useful when you need to retain the original events while adding a per-host average for comparison, but it does not produce the summarized output the question requires.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the SPLK-1003 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Advanced Searching and Statistics — This question tests Advanced Searching and Statistics — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: index=main | stats mean(response_time) by host — Option A is correct because the `stats` command with `mean(response_time)` calculates the arithmetic mean of the response_time field, and the `by host` clause groups the calculation per host, producing the average response time for each host. This is the standard Splunk syntax for computing averages in a grouped statistics table.
What should I do if I get this SPLK-1003 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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