Statistic Chapter 1 - Part 1

A student's academic class—that is, freshman, sophomore, junior, or senior.

Ordinal

The jersey numbers of a sorority soccer team.

Nominalselected

A student's state of birth.

Nominal

Exits along interstate highways were formerly numbered successively from the western or southern border of a state. However, the Department of Transportation has recently changed most of them to agree with the numbers on the mile markers along the highway. a. What level of measurement were data on the consecutive exit numbers?b. What level of measurement are data on the milepost numbers? c. The newer system provided information on the distance between exits.

(a) ordinal(b) ratio(c) true

ID/ Manufacturer/Engine Type

Nominal

Student IQ ratings.

Intervalselected

To find the marks of a class of 20 students in a physics exam.

Population

To know how many different private airlines provide service in the United States. multiple choice 2

Population

ID/ Manufacturer/ Engine Type

Qualitative variable

Capacity/Maintenance cost/ Age/ Odometer Miles/ Miles

Quantitative variable

Capacity/Maintenance cost/ Age/Odometer Miles/ Miles

Ratio

Distance students travel to class.

Ratio

To calculate the percentage of car owners in New York City.

Sample

To estimate weekly earnings of computer programmers in United States.

Sample

Slate is a daily magazine on the Web. Its business activities can be described by a number of variables. What is the level of measurement for each of the following variables? a) The number of hits on their website on Saturday between 8:00 am and 9:00 am b) The department's such as food and drink, politics, foreign policy, sports c) The number of weekly hits on the Sam's Club ad d) The number of years each employee has been employed with Slate

a) Ratio b) Nominal c) Ratio d) Ratio