Update pages/5_Descriptive Statistics.py

pages/5_Descriptive Statistics.py

@@ -281,4 +281,28 @@ There are 3 types of quantile which divide the data:
 :violet[3.Decile]:when the data is going to divide into 10 equal parts that particular quantile is known as decile 
 '''
 st.markdown(multi)
+
+st.subheader("Percentile Formula")
+st.latex(r'''
+P_k = \frac{k(N + 1)}{100}
+''')
+st.write("Where:")
+st.latex(r'''
+P_k \text{ is the } k \text{-th percentile,}
+''')
+st.latex(r'''
+N \text{ is the number of observations,}
+''')
+
+st.subheader("Decile Formula")
+st.latex(r'''
+D_j = \frac{j(N + 1)}{10}
+''')
+st.write("Where:")
+st.latex(r'''
+D_j \text{ is the } j \text{-th decile,}
+''')
+st.latex(r'''
+N \text{ is the number of observations,}
+''')