normality assumption - If my histogram shows a bell-shaped curve

I created a histogram for Respondent Age and managed to get a very nice bell-shaped curve, from which I concluded that the distribution is normal. Then I ran the normality test in SPSS, with n = 1

4.6 - Normal Probability Plot of Residuals

Graphs for Normal Capability Analysis - Minitab

Bell curve - an overview

What's the difference between a bell curve and a histogram? Are they not the same? - Quora

4 Normality Regression Diagnostics with R

Do my data follow a normal distribution? A note on the most widely used distribution and how to test for normality in R - Stats and R

Histogram to Check the Normality Assumption for our Linear Model.

How to Describe the Shape of Histograms (With Examples) - Statology

Assumptions and Normality