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 - Stats and R

Normal Distribution - MathBitsNotebook(A2)

Probability distributions > Continuous univariate distributions > Normal distribution

Normal Approximation for Probability Histograms, Boundless Statistics

Assumptions and Normality

Normal distribution

Histogram of the residuals data that has a bell-shaped curve which

plot - Overlay normal curve to histogram in R - Stack Overflow

The histogram of the residuals with a normal curve superimposed.

The Bell-Shaped Curve: A Common Pattern in Nature…, by Devansh Mittal, Intuitive Physics

Gauss bell hi-res stock photography and images - Alamy

Bell shaped percentile curve in R - Stack Overflow

Bell Curve Graph Normal Or Gaussian Distribution Template Probability Theory Mathematical Function Statistics Or Logistic Data Diagram Stock Illustration - Download Image Now - iStock

The percentage distribution of the data parameters on the bell