Update app.py

app.py

@@ -16,7 +16,7 @@ st.write("Here the collected data can be sample data or either population data")
 st.subheader("*Sample data*")
 st.write("Sample data is subset of population data as we can't collect entire data for every analysis we collect only subpart of entire data")
 st.write("Ex: We want to collect the students or members who are taking the data science/ data analysis as domain in India is sample data")
-st.write("*Population data*")
+st.subheader("*Population data*")
 st.write("Population data is everything together in data is population data.It means the entire data collection without any missing data.")
 st.write("Population data is superset and sample data is subset of population data")
 st.write("Population data is exact information of data while sample data may have sampling error")