Questionnaire tungkol sa mga mobile phone
20
17
20
35
22
17
16
20
16
23
18.5
18
21
27
n/a
68
12
20
18
21
20
23
20
12
22
19
15
20
25
25
20
13
hu
18
16
21
17
20
16
21 taong gulang
21
23 taong gulang
19
21
17
17
17
18
21
22
23
18
19
18
18
22
young
19
16
walang anuman
24
26
16
16
31
21
18
21
18
19
23
23
22
15
16
19
20
20 taong gulang
17
15
23
15
18
17 years
20
20
21
19
30
20
19year
19 years
20
21
21 years
20
19
19
21
19