A survey asked two age groups which summer sport they most preferred. The results are shown in the table below.

Age 10-19 Age 20-29 Total
Ski 12 15 27
Swim 102 88 190
Kayak 35 42 77
Hike 23 123 146
Total 172 268 440
Of the total people surveyed, what is the relative frequency of 10-19 year olds who preferred to ski?

2.73%
6.98%
12%
44.44%

Question

A survey asked two age groups which summer sport they most preferred. The results are shown in the table below.

Age 10-19 Age 20-29 Total
Ski 12 15 27
Swim 102 88 190
Kayak 35 42 77
Hike 23 123 146
Total 172 268 440
Of the total people surveyed, what is the relative frequency of 10-19 year olds who preferred to ski?

2.73%
6.98%
12%
44.44%

Vocaloid · Answer

check the intersection between "10-19 year olds" and "ski" to see the number of 10-19 year olds who like skiing

then divide that by the total # of people