Question 1: What is the level of measurement for the following data?

Facebook Facebook Google+ Instagram
Facebook Facebook Google+ Instagram
Facebook Facebook Google+ LinkedIn
Facebook Facebook Google+ LinkedIn
Facebook Facebook Google+ Twitter
Facebook Google+ Google+ SnapChat
Facebook Google+ Google+
Facebook Google+ Google+
Facebook Google+ Google+
Facebook Google+ Google+

Question 2: What is the level of measurement for the following data?

Rank Site Frequency
1 FaceBook 15
2 Google+ 15
3 Instagram 2
4 LinkedIn 2
5 Twitter 1
7 SnapChat 1

Question 3: What is the level of measurement for the following data?

body fat index
30.8
30
45.2
42.6
17.1
50.3
34.6
46.4
33.1
14.3
44.6
38.2
19.1
32.5
30.8
18.6
30.5
41.4
45.3
35.2
43.1
29.1
39.6

Question four: What is the sample size for question 3?