3. More types of variables and data Independent and Dependent Variables Many statistical experiments explore relationships...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
3. More types of variables and data Independent and Dependent Variables Many statistical experiments explore relationships between variables. In some cases, one variable (known as independent) predicts another variable (known as dependent). In some cases, several independent variables predict a single dependent variable. In graphical terms, Independent variables are plotted on the X-axis while dependent variables are on the Y-axis. Relationships Between Variables If two variables are distributed consistently, we conclude that a relationship exists. However, you must be careful how you characterize this relationship. Are the variables merely correlated, or is there a causal relationship (that is, one variable causes the other)? Check Your Understanding Identify whether each of the following variables is a nominal, ordinal, discrete, or continuous variable. Variable of interest Eye color Qualitative Quantitative Nominal Ordinal Discrete Continuous Average speed driven Sale price of a car Number of cars sold Survey response (Strongly disagree, Disagree, Neutral, Agree, Strongly agree) Distance traveled Length of a phone call Annual Income 00 O Grade It Now Save & Continue 3. More types of variables and data Independent and Dependent Variables Many statistical experiments explore relationships between variables. In some cases, one variable (known as independent) predicts another variable (known as dependent). In some cases, several independent variables predict a single dependent variable. In graphical terms, Independent variables are plotted on the X-axis while dependent variables are on the Y-axis. Relationships Between Variables If two variables are distributed consistently, we conclude that a relationship exists. However, you must be careful how you characterize this relationship. Are the variables merely correlated, or is there a causal relationship (that is, one variable causes the other)? Check Your Understanding Identify whether each of the following variables is a nominal, ordinal, discrete, or continuous variable. Variable of interest Eye color Qualitative Quantitative Nominal Ordinal Discrete Continuous Average speed driven Sale price of a car Number of cars sold Survey response (Strongly disagree, Disagree, Neutral, Agree, Strongly agree) Distance traveled Length of a phone call Annual Income 00 O Grade It Now Save & Continue
Expert Answer:
Answer rating: 100% (QA)
Variable of interest Eye color Qualitative Nominal Var... View the full answer
Related Book For
Posted Date:
Students also viewed these accounting questions
-
"internet radios" for streaming audio, and personal video recorders and players. Describe design and evaluation processes that could be used by a start-up company to improve the usability of such...
-
Planning is one of the most important management functions in any business. A front office managers first step in planning should involve determine the departments goals. Planning also includes...
-
One way to delete nodes from a known position in a leftist heap is to use a lazy strategy. To delete a node, merely mark it deleted. When a findMin or deleteMin is performed, there is a potential...
-
Consider the following table, which lists a portion of the monthly unemployment rates (seasonally adjusted) in California from 2007-2010. Year.......... Month......... Unemployment Rate (%)...
-
The moment of inertia of the empty turntable is 1.5 kg m 2 . With a constant torque of 2.5 N m, the turntableperson system takes 3.0 s to spin from rest to an angular speed of 1.0 rad/s. What is the...
-
While the electromagnetic interaction between the photons and the charged electrons and positrons kept them in equilibrium with each other during the early universe, show that the direct...
-
Leach Inc. experienced the following events for the first two years of its operations: 2016: 1. Issued $10,000 of common stock for cash. 2. Provided $78,000 of services on account. 3. Provided...
-
a) Simplify the expression. Express your answer with positive exponents. (4x6) (4) (2x)* (123) 2 b) In 2004, a sum of $1900 is invested at a rate of 3.75% per year (compound interest) for 12 years....
-
An important aspect of delivering Informative Speeches is to be credible, or have "ethos." Which of the following actions is important in boosting credibility? Citing reputable sources. Using your...
-
The final goal is to design a heat sink for an electronic device that has 9 powerful LEDs of 2 W each. Calculate total heat resistance. Draw all the necessary diagrams. Make all the necessary...
-
Investigate and analyze real cases that illustrate various extensions and variations in oligopoly models with product differentiation to better understand their practical application. Task Structure:...
-
Why are static variables referred to as class variables? Describe a situation where you would want to use a static variable in your class?
-
The assessment focuses on analysing the diversity policies and practices of the STARBUCKS The following information should be included in the report: Introduction to the business Identification of...
-
3. Define product differentiation below: a. Hybrid car and reduction of using raw materials will be cheaper cost and energy saving cars with a tidy environment b. Design and innovation as a part of...
-
3. (Motion Along a Straight Line) A helicopter is ascending vertically with a speed of 5.40 m/s. At a height of 105 m above the Earth, a package is dropped from the helicopter. How much time does it...
-
Why is a help desk and production support critical to system implementations? Discuss its interrelationship with the problem management and reporting system.
-
The reaction A + B C + D is carried out adiabatically in a series of staged packed-bed reactors with interstage cooling. The lowest temperature to which the reactant stream may be cooled is 27C. The...
-
The gas-phase reversible reaction A B is carried out under high pressure in a packed-bed reactor with pressure drop. The feed consists of both inerts I and Species A with the ratio of inerts to the...
-
The rate law for the hydrogenation (H) of ethylene (E) to form ethane (A) over a cobalt-molybdenum catalyst (Collection Czech. Chem. Commun., 51, 2760 (1988)) is rE=kPEPH1+KEPE a. Suggest a mechanism...
-
The perfectly competitive model assumes that firms know when marginal revenue equals marginal costs. a. If a firm doesnt have this information, can it produce at the profit-maximizing level of...
-
Hundreds of music stores have been closing in the face of stagnant demand for CDs because of new competition by online music vendors. a. How would price competition from these new sources cause a...
-
A California biotechnology firm submitted a tomato that will not rot for weeks to the U.S. Food and Drug Administration. It designed such a fruit by changing the genetic structure of the tomato. What...
Study smarter with the SolutionInn App