How can we tell when a frequency distribution is normally distributed.

The frequency distribution below on eye inspection appears to have a normal distribution b'cos :

The frequency starts low and then increase to some maximum then decrease to a low frequency.

Is my observation right?

Thanks

Selling prices of Pontiac/Frequency

($ 000)

60-64/1

65-69/4

70-74/5

75-79/15

80-84/7

85-89/6

90-94/1