diff --git a/R/prepare_boxly.R b/R/prepare_boxly.R
index 1b7134d..b9858a8 100644
--- a/R/prepare_boxly.R
+++ b/R/prepare_boxly.R
@@ -51,7 +51,8 @@ prepare_boxly <- function(meta,
                           observation = NULL,
                           analysis = NULL,
                           filter_var = "PARAM",
-                          hover_var_outlier = c("USUBJID", metalite::collect_adam_mapping(meta, analysis)$y)) {
+                          hover_var_outlier = c("USUBJID", metalite::collect_adam_mapping(meta, analysis)$y),
+                          mean_decimal = NULL) {
   if (is.null(population)) {
     if (length(meta$population) == 1) {
       population <- meta$population[[1]]$name
@@ -179,7 +180,11 @@ prepare_boxly <- function(meta,
         ans$min <- vals[1]
         ans$q1 <- vals[2]
         ans$median <- vals[3]
-        ans$mean <- mean_val
+        if (!is.null(mean_decimal)) {
+          ans$mean <- round(mean_val, mean_decimal)
+        } else {
+          ans$mean <- mean_val
+        }
         ans$q3 <- vals[4]
         ans$max <- vals[5]
 
diff --git a/vignettes/testing-format-statistics.Rmd b/vignettes/testing-format-statistics.Rmd
new file mode 100644
index 0000000..5e7762f
--- /dev/null
+++ b/vignettes/testing-format-statistics.Rmd
@@ -0,0 +1,37 @@
+---
+title: "Untitled"
+author: "Jeetender Singh Chauhan"
+date: "`r Sys.Date()`"
+output: html_document
+---
+
+```{r setup, include=FALSE}
+knitr::opts_chunk$set(echo = TRUE)
+```
+
+
+
+```{r , echo=FALSE}
+library(metalite)
+library(boxly)
+
+# Step 1: Source your modified prepare_boxly.R file
+# (Update the path to where your modified file is saved)
+source("~/boxly_format_mean_value/R/prepare_boxly.R")
+
+# Step 2: Create metadata
+meta <- meta_boxly(
+  boxly_adsl,
+  boxly_adlb,
+  population_term = "apat",
+  observation_term = "wk12"
+)
+
+# Step 3: Prepare data with 2 decimal places for mean
+outdata <- prepare_boxly(meta, mean_decimal = 5)
+
+# Step 4: Generate the interactive box plot
+boxly(outdata)
+```
+
+Note that the `echo = FALSE` parameter was added to the code chunk to prevent printing of the R code that generated the plot.