# Convert between z critical values and confidence levels?

**URL:** https://discourse.julialang.org/t/convert-between-z-critical-values-and-confidence-levels/33904
**Category:** Statistics
**Created:** [January 28, 2020, 9:23pm UTC](https://discourse.julialang.org/t/convert-between-z-critical-values-and-confidence-levels/33904 "2020-01-28T21:23:44Z")
**Posts on this page:** 2
**Page:** 1

<div class="post-metadata">

### Author: ![Usor](https://avatars.discourse-cdn.com/v4/letter/u/8dc957/32.png) [@Usor](https://discourse.julialang.org/u/Usor)
#### Post date: [January 28, 2020, 9:23pm UTC](https://discourse.julialang.org/t/convert-between-z-critical-values-and-confidence-levels/33904/1 "2020-01-28T21:23:44Z")

</div>

Are there readily available functions to immediately convert between these two?

---

<div class="post-metadata">

### Author: ![StevenSiew](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/stevensiew/32/218393_2.png) [@StevenSiew](https://discourse.julialang.org/u/StevenSiew)
#### Post date: [January 29, 2020, 5:23am UTC](https://discourse.julialang.org/t/convert-between-z-critical-values-and-confidence-levels/33904/2 "2020-01-29T05:23:57Z")

</div>

It’s all in here

> **[StatisticsWithJulia.pdf](https://people.smp.uq.edu.au/YoniNazarathy/julia-stats/StatisticsWithJulia.pdf)**
>
> 34.72 KB