Exam 1: The Nature of Probability and Statistics

When rolling two six-sided dice, your total roll ranges from 2 (double ones) to 12 (double sixes).Characterize the nature of the roll total.

Which of the following best defines the relationship between confounding, dependent, and independent variables?

Determine which of the following describes ordinal data. i. In the horse race, Betty's Girl won, Mr. Ed placed, and Wabash showed. ii. In the horse race, I bet on Betty's Girl to win, Mr. Ed to place, and Wabash to show.

Give the boundaries of the given value. 3.3 millimeters

A person's hair color would be an example of a quantitative variable.

Determine which branch of statistics was used to make the following statement. In 2011, there were 34 deaths from the avian flu.

Determine which of the following describes nominal data. i. Michaelangelo's sells small, medium, large, and jumbo pizzas. ii. Michaelangelo's most-requested toppings are pepperoni, black olives, and mushrooms.

Each value in a data set may be referred to as either a data value or a(n) ____________.

If you were told that four students from a class of twenty were questioned for a poll about study habits, this would be an example of ________________.

In a research study, it is always preferable for the researcher to carefully choose his participants rather than randomly select them from a suitable group.

Give the boundaries of the given value. 2.75 pounds

Determine which of the following describes quantitative data. i). the length of an object in feet ii). the speed of an object in meters per second iii). the number of objects that are blue

Determine which branch of statistics was used to make the following statement. Because of the current economy, 49% of 18 to 34 year olds have taken a job to pay the bills.

Determining the number of people from the state of Alaska who voted for a Republican in the last election is an example of ______________ measurement.

In a true experimental study, the subjects should be assigned to groups randomly. If this is not possible and a researcher uses intact groups, they are performing a _______________.

Determine which of the following describes quantitative data. i). the name of a chemical sample ii). the mass of a chemical sample iii). the color of a chemical sample

Variables with values that are determined by chance are called _____________.

Questioning every 14th customer leaving a theatre about the movie they had seen, would be an example of systematic sampling.

A ____________ is a characteristic or attribute of a subject that can assume different values?

Determine which of the following describes qualitative data. i). the make of the car with license plate number VNS-862 ii). the license plate number VNS-862 iii). the number of vehicles whose license plate number begins with "VNS"