Exam 1: Introduction

Which of the following properties is appropriate for ordinal, but not for nominal variables?

Lilo has sent four manuscripts to journals to be considered for review while Stitch has sent out two. Which scale of measurement is implied by the quantity of publications?

Jennifer counts the number of students that purchase lunch from the student union on Monday. Which measurement scale is "the number of students that purchase lunch"?

JoAnn's income is $50,000 while Betty's income is $100,000. I assert that JoAnn's income is one-half that of Betty's income. Am I correct?

Belle is interested in short term memory of children who are enrolled in Head Start programs. Her target population is Head Start children. In this study, "enrollment in Head Start" is which one of the following?

The number of bagels purchased by students at the student union each day is considered which measurement scale?

Wesley creates a variable that is called 'truck size' that categorizes trucks into three types: a) compact; b) mid-sized; c) full-size and d) monster. What type of measurement scale is 'truck size?'

Mark studied for the midterm exam for 6 hours. Randall studied for 2 hours. I assert that Mark studied three times longer for the midterm exam than Randall. Am I correct?

Mark made an A on his midterm exam and Randall made a B. I assert that Mark's midterm exam score was 10 points higher than Randall's. Am I correct?

Rank the following values of the number of hours of television watched per day, assigning rank 1 to the largest value: 4 0 8 13 9 3 2 7 5 1

Rank the following values of the number of hours of television watched per day, assigning rank 1 to the largest value: 3 0 8 13 9 3 2 7 5 1

Which one of the following would be considered a categorical variable?

The standing high school record for the long jump is 6 feet, and the elementary school record is 4 feet. I assert that the elementary school record is two-thirds the length of the high school record. Am I correct?

Haiyan is an associate professor and Monifa is an assistant professor. I assert that Haiyan has five more years teaching experience than Monifa. Am I correct?

Which one of the following would be considered an interval variable?

Which one of the following would be considered both ratio and continuous variable?

Rank the following values of the number of credit cards owned by college freshmen, assigning rank 1 to the largest value: 4 2 0 5 10 11 15 1 3 9

Rank the following values of the number of students per classroom who are enrolled in an after school activity, assigning rank 1 to the largest value: 3 0 5 12 20 8 2 15 9 11

Rank the following values of the number of emails received in one day, assigning rank 1 to the largest value: 72 250 60 10 0 8 720 300 125 85

Aurora is conducting a study on sleep habits of adolescents, with approximately equal numbers of boys and girls participating. In her study, "gender" is which of the following?