Question 1

In order to convert a number to a z-score,it is necessary within a group of scores to know the standard deviation and the __________.

Accepted Answer

mean

Question 2

Melissa is using the three measures of central tendency,which are types of

Accepted Answer

A) nominal scales. 
B) ordinal scales. 
C) descriptive statistics. 
D) inferential statistics. 
A) nominal scales. 
B) ordinal scales. 
C) descriptive statistics. 
D) inferential statistics. C

Question 3

In order for Jabar to calculate a standard score,he will need which two statistics?

Accepted Answer

A) range and midst 
B) mean and standard deviation 
C) range and mode 
D) standard deviation and z-score 
A) range and midst 
B) mean and standard deviation 
C) range and mode 
D) standard deviation and z-score B

Question 4

When using correlation,we CANNOT

Accepted Answer

A) determine the direction of the relationship. 
B) conclude that a cause-and-effect relationship exists. 
C) use it to make a prediction. 
D) determine the strength of the relationship. 
A) determine the direction of the relationship. 
B) conclude that a cause-and-effect relationship exists. 
C) use it to make a prediction. 
D) determine the strength of the relationship.

Question 5

If your psychology test scores include 100,100,100,80,and 70,then the mean is 90.

Accepted Answer

A) True 
 B)False

Question 6

If you find the difference of each score from the mean of a set of data,square each difference,and then add these squared deviations,average them,and take the square root of this average,you will obtain the _______.

Accepted Answer

The answer of If you find the difference of each...

Question 7

Results of an experiment that have a chance probability of .05 are usually regarded as statistically significant.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following correlation coefficients indicates the weakest relationship?

Accepted Answer

A) +.29 
B) -.65 
C) -1.03 
D) +.75 
A) +.29 
B) -.65 
C) -1.03 
D) +.75

Question 9

A psychologist notes that the higher a couple's socioeconomic and educational status,the smaller the number of children they are likely to have.This psychologist is describing a relationship called a

Accepted Answer

A) statistical significance. 
B) standard deviation. 
C) correlation. 
D) normal curve. 
A) statistical significance. 
B) standard deviation. 
C) correlation. 
D) normal curve.

Question 10

The mean,median,and mode are

Accepted Answer

A) inferential statistics. 
B) measures of central tendency. 
C) measures of variability. 
D) graphical statistics. 
A) inferential statistics. 
B) measures of central tendency. 
C) measures of variability. 
D) graphical statistics.

Question 11

Inferential statistics are used for

Accepted Answer

A) generalization from small samples. 
B) drawing conclusions. 
C) decision making based on limited data. 
D) all of these. 
A) generalization from small samples. 
B) drawing conclusions. 
C) decision making based on limited data. 
D) all of these.

Question 12

When using tests of statistical significance,the odds that the observed difference was due to chance are stated as a

Accepted Answer

A) percent variance. 
B) coefficient of correlation. 
C) probability. 
D) standard deviation. 
A) percent variance. 
B) coefficient of correlation. 
C) probability. 
D) standard deviation.

Question 13

Which type of statistics are used to summarize large amounts of data so that they become more meaningful and easier to communicate to others?

Accepted Answer

A) descriptive 
B) inferential 
C) nominal 
D) ordinal 
A) descriptive 
B) inferential 
C) nominal 
D) ordinal

Question 14

Meg is using a procedure to choose her sample so that each member of the population for her study has an equal chance of being included in her sample.Meg is using a procedure known as _______.

Accepted Answer

The answer of Meg is using a procedure to choose...

Question 15

When a psychologist wishes to generalize results to an entire population,he or she would use _______ statistics.

Accepted Answer

A) descriptive 
B) inferential 
C) holistic 
D) correlational 
A) descriptive 
B) inferential 
C) holistic 
D) correlational

Question 16

A number that describes a "typical score" around which other scores fall is called a measure of

Accepted Answer

A) variability. 
B) central tendency. 
C) normality. 
D) cohesion. 
A) variability. 
B) central tendency. 
C) normality. 
D) cohesion.

Question 17

A graph that plots the intersection of paired measures,that is,the points at which paired X and Y measures cross is called a

Accepted Answer

A) scatter diagram. 
B) histogram. 
C) frequency polygon. 
D) frequency distribution. 
A) scatter diagram. 
B) histogram. 
C) frequency polygon. 
D) frequency distribution.

Question 18

For the numbers 10,16,3,7,and 17,the range is 14.

Accepted Answer

A) True 
 B)False

Question 19

Regarding the mode,which of the following statements is FALSE?

Accepted Answer

A) The mode is usually easy to obtain. 
B) The mode's advantage is that it gives the score actually obtained by the greatest number of people. 
C) The mode is the most used measure of variability. 
D) The mode can be an unreliable measure,especially in a small group of scores. 
A) The mode is usually easy to obtain. 
B) The mode's advantage is that it gives the score actually obtained by the greatest number of people. 
C) The mode is the most used measure of variability. 
D) The mode can be an unreliable measure,especially in a small group of scores.

Question 20

Ninety-five percent of all cases are found between a standard deviation of +2 and a standard deviation of -2 on a normal curve.

Accepted Answer

A) True 
 B)False

Exam 79: Behavioral Statistics

In order to convert a number to a z-score,it is necessary within a group of scores to know the standard deviation and the __________.

Melissa is using the three measures of central tendency,which are types of

In order for Jabar to calculate a standard score,he will need which two statistics?

When using correlation,we CANNOT

If your psychology test scores include 100,100,100,80,and 70,then the mean is 90.

If you find the difference of each score from the mean of a set of data,square each difference,and then add these squared deviations,average them,and take the square root of this average,you will obtain the _______.

Results of an experiment that have a chance probability of .05 are usually regarded as statistically significant.

Which of the following correlation coefficients indicates the weakest relationship?

A psychologist notes that the higher a couple's socioeconomic and educational status,the smaller the number of children they are likely to have.This psychologist is describing a relationship called a

The mean,median,and mode are

Inferential statistics are used for

When using tests of statistical significance,the odds that the observed difference was due to chance are stated as a

Which type of statistics are used to summarize large amounts of data so that they become more meaningful and easier to communicate to others?

Meg is using a procedure to choose her sample so that each member of the population for her study has an equal chance of being included in her sample.Meg is using a procedure known as _______.

When a psychologist wishes to generalize results to an entire population,he or she would use _______ statistics.

A number that describes a "typical score" around which other scores fall is called a measure of

A graph that plots the intersection of paired measures,that is,the points at which paired X and Y measures cross is called a

For the numbers 10,16,3,7,and 17,the range is 14.

Regarding the mode,which of the following statements is FALSE?

Ninety-five percent of all cases are found between a standard deviation of +2 and a standard deviation of -2 on a normal curve.

Introduction

How to Study Psychology

Introducing Psychology: Psychology, Critical Thinking, and Science

Introducing Psychology: Psychology Then and Now

Introducing Psychology: the Psychology Experiment

Introducing Psychology: Non-Experimental Research Methods

Psychology in Action: Thinking Critically About the Media

Brain and Behavior: Neurons and the Nervous System

Brain and Behavior: Brain Research

Brain and Behavior: Hemispheres and Lobes of the Cortex

Brain and Behavior: Sub-Cortex and Endocrine System

Psychology in Action: Handedness

Human Development: Heredity and Environment

Human Development: Emotional and Social Development in Childhood

Human Development: Language and Cognitive Development in Childhood

Human Development: Adolescence and Adulthood

Psychology in Action: Well-Being and Happiness

Sensation and Perception: Sensory Processes

Sensation and Perception: Vision

Sensation and Perception: The Other Senses

Sensation and Perception: Perceptual Processes

Sensation and Perception: Perception and Objectivity

Psychology in Action: Extrasensory Perception

Consciousness: States of Consciousness

Consciousness: Sleep and Dreams

Consciousness: Psychoactive Drugs

Psychology in Action: Exploring and Using Dreams

Conditioning and Learning: Types of Learning

Conditioning and Learning: Classical Conditioning

Conditioning and Learning: Operant Conditioning

Conditioning and Learning: Reinforcement and Punishment

Psychology in Action: Behavioral Self-Management

Memory: Memory Systems

Memory: Forgetting

Memory: Exceptional Memory and Improving Memory

Psychology in Action: Mnemonics

Cognition and Intelligence: Imagery, Concepts, and Language

Cognition and Intelligence: Problem Solving

Cognition and Intelligence: Creative Thinking and Intuition

Cognition and Intelligence: Intelligence

Psychology in Action: Enhancing Creativity

Motivation and Emotion: Overview of Motives and Emotions

Motivation and Emotion: Motivation in Detail

Motivation and Emotion: Emotion in Detail

Psychology in Action: Emotional Intelligence

Human Sexuality: Sexual Development and Orientation

Human Sexuality: Gender Development, Androgyny, and Gender Variance

Human Sexuality: Sexual Behavior, Response, and Attitudes

Psychology in Action: Sexual Problems

Personality: Overview of Personality

Personality: Trait Theories

Personality: Psychoanalytic and Humanistic Theories

Personality: Behavioral and Social Learning Theories

Psychology in Action: Understanding Shyness

Health, Stress, and Coping: Health Psychology

Health, Stress, and Coping: Stress, Frustration, and Conflict

Health, Stress, and Coping: Defenses, Helplessness, and Depression

Health, Stress, and Coping: Stress and Health

Psychology in Action: Stress Management