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

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

What are the four assumptions of linear regression? – Gaurav Bansal

How do I know if my data have a normal distribution? - FAQ 2185 - GraphPad

Normal Distribution - MathBitsNotebook(A2)

Normality Test: What is Normal Distribution? Methods of Assessing Normality

The Normal Distribution – A Portable Introduction to Data Analysis

What Is a Histogram?

Assessing Normality: Histograms vs. Normal Probability Plots - Statistics By Jim

Normal Distribution in Statistics - Statistics By Jim

4.6 - Normal Probability Plot of Residuals