Essentials of Statistics for the Behavioral Sciences
Essentials of Statistics for the Behavioral Sciences
8th Edition
ISBN: 9781133956570
Author: Frederick J Gravetter, Larry B. Wallnau
Publisher: Cengage Learning
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Concept explainers

Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 …
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experime…
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Chapter 1.4, Problem 3LC

The teacher in a communications class asks students to identify their favorite reality television show. The different television shows make up a scale of measurement.

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Chapter 1 Solutions

Essentials of Statistics for the Behavioral Sciences

Ch. 1.2 - A researcher is interested in the texting habits...Ch. 1.2 - A researcher is interested in how watching a...Ch. 1.2 - Statistical techniques are classified into two...Ch. 1.2 - Briefly define the concept of sampling error.Ch. 1.3 - A research study comparing alcohol use for college...Ch. 1.3 - What two elements are necessary for a research...Ch. 1.3 - Stephens, Atkins, and Kingston (2009) conducted an...Ch. 1.4 - A tax form asks people to identify their annual...Ch. 1.4 - An English professor uses letter grades (A, B, C,...Ch. 1.4 - The teacher in a communications class asks...
Ch. 1.4 - A researcher studies the factors that determine...Ch. 1.4 - a. When measuring height to the nearest inch, what...Ch. 1.5 - Calculate each value requested for the following...Ch. 1.5 - Prob. 2LCCh. 1.5 - Use summation notation to express each of the...Ch. 1 - A researcher is investigating the effectiveness of...Ch. 1 - Define the terms population, sample, parameter,...Ch. 1 - Statistical methods arc classified into two major...Ch. 1 - Define the concept of sampling error and explain...Ch. 1 - Describe the data for a correlation research study...Ch. 1 - What is the goal for an experimental research...Ch. 1 - Knight and Haslam (2010) found that office workers...Ch. 1 - Judge and Cable (2010) found that thin women had...Ch. 1 - Two researchers are both interested in determining...Ch. 1 - Weinstein, McDermott, and Roediger (2010)...Ch. 1 - A research study reports that alcohol consumption...Ch. 1 - Oxytocin is a naturally occurring brain chemical...Ch. 1 - For each of the following, determine whether the...Ch. 1 - Four scales of measurement were introduced in this...Ch. 1 - In an experiment examining the effects Tai Chi on...Ch. 1 - Explain why shyness is a hypothetical construct...Ch. 1 - Ford and Torok (2008) found that motivational...Ch. 1 - For the following scores, find the value of each...Ch. 1 - For the following set of scores, find the value of...Ch. 1 - For the following set of scores, find the value of...Ch. 1 - Two scores, X and Y, are recorded for each of n =...Ch. 1 - Use summation notation to express each of the...Ch. 1 - Prob. 23P
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