Essentials of Statistics for The Behavioral Sciences (MindTap Course List)
Essentials of Statistics for The Behavioral Sciences (MindTap Course List)
9th Edition
ISBN: 9781337098120
Author: Frederick J Gravetter, Larry B. Wallnau, Lori-Ann B. Forzano
Publisher: Cengage Learning
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Concept explainers

Correlation
Correlation defines a relationship between two independent variables. It tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.
Linear Correlation
A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related.
Regression Analysis
Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as p…
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Chapter 10.3, Problem 1LC

What is the value of the independent-measures t statistic for a study with n = 10 participants in each treatment if the data produce M = 38 and SS = 200 for the first treatment and M = 33 and SS = 160 for the second treatment?

  1. a. t = 1.25
  2. b. t = 2.50
  3. c. t = 0.23
  4. d. t = 5 20 = 1.12
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Chapter 10 Solutions

Essentials of Statistics for The Behavioral Sciences (MindTap Course List)

Ch. 10.1 - Which of the following is most likely to be an...Ch. 10.1 - Which of the following is most likely to be a...Ch. 10.1 - An independent-measures study comparing two...Ch. 10.2 - Which of the following is the correct null...Ch. 10.2 - Prob. 2LCCh. 10.2 - Prob. 3LCCh. 10.2 - Prob. 4LCCh. 10.3 - What is the value of the independent-measures t...Ch. 10.3 - Prob. 2LCCh. 10.3 - Prob. 3LC
Ch. 10.4 - Prob. 1LCCh. 10.4 - Which of the following is not an accurate...Ch. 10.4 - Prob. 3LCCh. 10.4 - Prob. 4LCCh. 10.5 - Which of the following accurately describes how...Ch. 10.5 - Which of the following accurately describes how...Ch. 10.5 - Which of the following sets of data would produce...Ch. 10 - Describe the basic characteristics that define an...Ch. 10 - Describe what is measured by the estimated...Ch. 10 - One sample has SS = 36 and a second sample has SS...Ch. 10 - One sample has SS = 60 and a second sample has SS...Ch. 10 - Two separate samples, each with n = 9 individuals,...Ch. 10 - Two separate samples receive different treatments....Ch. 10 - Research results suggest a relationship between...Ch. 10 - Does posting caloric content for menu items affect...Ch. 10 - A long history of psychology research has...Ch. 10 - Recent research has shown that creative people are...Ch. 10 - Recent research has demonstrated that music-based...Ch. 10 - McAllister et al. (2012) compared varsity football...Ch. 10 - Zhou and Vohs (2009) published a study showing...Ch. 10 - In a classic study in the area of problem solving...Ch. 10 - A researcher conducts an independent-measures...Ch. 10 - In a recent study, Piff, Kraus, Ct, Cheng, and...Ch. 10 - Describe the homogeneity of variance assumption...Ch. 10 - If other factors are held constant explain how...Ch. 10 - As noted on page 275, when the two population...Ch. 10 - Two samples are selected from the same population....Ch. 10 - For each of the following, assume that the two...Ch. 10 - For each of the following, calculate the pooled...Ch. 10 - It appears that there is some truth to the old...Ch. 10 - In 1974, Loftus and Palmer conducted a classic...
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