A study was done on the campus of a major state institution to measure attitudes of students to-wards the recent fee increase. One question asks respondents to rank the five fees they are willing to pay from 1=most willing to 5=least willing. This is scaled as an:.

Ordinal scale.

Explanation:Ordinal scale is the level of measurement that gives the ranking of data without showing the degree of variation between them. It helps in identifying if object has more or less characteristic when compared to another object but does not tell the exact weight of the characteristic. Data in Ordinal scale is usually given in order of magnitude since there is no standard of measurement of differences. For example 1=most willing to 5=least willing.

answer; private store;

answer: marginal utility of the fourth brownie is 0.

explanation: marginal utility is the addtional utility gained from the consumption of one more unit of a good. it is given by,

so, marginal utility at the 4th unit will be given by

since, the values are not given here, you can simply find marginal utility at fourth unit by subtracting total utility at 3rd unit from total utility at 4th unit.