Answer: a. Ratio b. Nominal c. Interval d. Ordinal
Step-by-step explanation:
1)Ratio:You can do all sort of arithmetic on the cholesterol level.
2)Nominal: These cannot be ordered or arithmetic cannot be applied
3)Interval: It is interval because it is a number and midnight means 0 so you cannot use it for division
4)Ordinal: You can arrange it in increasing or decreasing order.
At least means that the number could either equal 6 or be greater than 6.
The inequality would be: n ≥ 6
Answer: (+) 1/3
Step-by-step explanation: 2/3 + -1/3 is basically subtracting 1/3 from 2/3 so, 2/3 - 1/3 = 1/3.