For each of the following, indicate whether the data is measured on a nominal (N), ordinal (O), interval (I), or ratio (R) scale.

I	a) Fahrenheit temperatures of classrooms
R	b) Number of siblings each student has registered in the same school
I	c) students paid tuition
O	d) students age
N	e) students class: {Pre-K, K, grade1, grade2, grade3}
	f) students calendar year of starting attending the school
N	g) Is English first spoken language {yes, no}
I	h) scores on the ESL Exam (range is from 200 to 800)
O	i) students score: {poor, proficient, good, very good}
R	j) students weight (using 1 decimal)
	k) number of children in each dormitory room
N	l) students preferred type of snack {from home, provided by the school}