The data show the results of a national survey given to assess what sources of noise pollution people find most bothersome.

Source	Percent of Respondents
Cars	54
Loud music	37
Barking dogs	37
Motorcycles	35
Sirens	31
Neighbors	29
Construction equipment	24
Landscaping equipment	17
Factories	9

What conclusion can be made from these results?

Responses

Factories produce more noise than other sources.

Factories produce more noise than other sources.

Noise from barking dogs pretty much goes unnoticed.

Noise from barking dogs pretty much goes unnoticed.

A lot of people get woken up by sirens.

A lot of people get woken up by sirens.

Most people are tolerant of their neighbors.