Question 1

Calculate the  
  in which x is the number of words recalled 2,3,4.

Accepted Answer

A) 29 
B) 9 
C) 18 
D) 81 
A) 29 
B) 9 
C) 18 
D) 81

Question 2

Studies concerned with the effectiveness of subliminal perception have looked at changes in product desirability as a function of messages presented at sub-threshold levels of stimulation.In those studies,the measure of desirability is called the _____ variable.

Accepted Answer

A) control 
B) independent 
C) dependent 
D) qualitative 
A) control 
B) independent 
C) dependent 
D) qualitative

Question 3

Ordinal measures provide information about the magnitude of the differences between the objects.

Accepted Answer

A) True 
 B)False

Question 4

_____ statistics are used to summarize a group of scores from a sample or a population,while _____ statistics are used to make statements about a population based on sample data.

Accepted Answer

A) Summation;representative 
B) Representative;summation 
C) Descriptive;inferential 
D) Inferential;descriptive 
A) Summation;representative 
B) Representative;summation 
C) Descriptive;inferential 
D) Inferential;descriptive

Question 5

Suppose a researcher is interested in how fast a person can identify the names on a list of objects.In this situation,the variable of speed is

Accepted Answer

A) quantitative,discrete,and interval 
B) qualitative,continuous,and nominal 
C) quantitative,continuous,and ratio 
D) quantitative,discrete,and ordinal 
A) quantitative,discrete,and interval 
B) qualitative,continuous,and nominal 
C) quantitative,continuous,and ratio 
D) quantitative,discrete,and ordinal

Question 6

The real limits of the number 20 are:

Accepted Answer

A) 19.5 to 20.5 
B) 19 to 21 
C) 19.05 to 20.05 
D) 19.025 to 20.075 
A) 19.5 to 20.5 
B) 19 to 21 
C) 19.05 to 20.05 
D) 19.025 to 20.075

Question 7

The real limits of a number are those points falling one measurement unit above and one measurement unit below that number.

Accepted Answer

A) True 
 B)False

Question 8

Taking measurements on a sample and then,from the observations,inferring something about a population is known as _____:

Accepted Answer

A) random sampling 
B) inferential statistics 
C) descriptive statistics 
D) inferential parametrics 
A) random sampling 
B) inferential statistics 
C) descriptive statistics 
D) inferential parametrics

Question 9

A nonrandom sample of the population may lead to bias results.

Accepted Answer

A) True 
 B)False

Question 10

Distinguish between descriptive and inferential statistics.

Accepted Answer

Descriptive statistics involves the use

Question 11

The essential characteristic of random sampling is that every member of the population:

Accepted Answer

A) is selected for the study 
B) is systematically selected 
C) has an equal chance of being selected 
D) is excluded on random criteria 
A) is selected for the study 
B) is systematically selected 
C) has an equal chance of being selected 
D) is excluded on random criteria

Question 12

Variables measured on ordinal,interval,or ratio levels are known as _____ variables,while variables measured on a nominal level are called _____ variables.

Accepted Answer

A) quantitative;qualitative 
B) qualitative;quantitative 
C) independent;dependent 
D) random;systematic 
A) quantitative;qualitative 
B) qualitative;quantitative 
C) independent;dependent 
D) random;systematic

Question 13

Dr.Qui is studying the influence gender has on the type of car a person drives.Both of these variables are considered a ____________________ scale of measurement.

Accepted Answer

The answer of Dr.Qui is studying the influence gender has...

Question 14

The probability of observing a head on the sixth toss after flipping a coin 5 times and observing five tails is ____.

Accepted Answer

A) 1/6 
B) 0.50 
C) 1.00 
D) 6 x 0.5 
A) 1/6 
B) 0.50 
C) 1.00 
D) 6 x 0.5

Question 15

ÓX2 = 30

Accepted Answer

A) True 
 B)False

Question 16

The number of grains of sand in a sand box has ____ properties.

Accepted Answer

A) continuous 
B) discrete 
C) ordinal 
D) nominal 
A) continuous 
B) discrete 
C) ordinal 
D) nominal

Question 17

Dr.Johnson hypothesizes that NutraSweet reduces short-term memory.In order to test her hypothesis she gives 10 subjects a beverage containing NutraSweet (treatment group)and 10 subjects a beverage without NutraSweet (control group).She then measures the subject's ability to recall a list of numbers.Dr.Johnson's dependent variable is measured using _____scale of measurement.

Accepted Answer

A) nominal 
B) interval 
C) ordinal 
D) ratio 
E) None of these 
A) nominal 
B) interval 
C) ordinal 
D) ratio 
E) None of these

Question 18

The real limits of 1.672 are ____.

Accepted Answer

A) 1.672 and 1.6725 
B) 1.6715 and 1.6725 
C) 1.67 and 1.68 
D) 1.671 and 1.673 
A) 1.672 and 1.6725 
B) 1.6715 and 1.6725 
C) 1.67 and 1.68 
D) 1.671 and 1.673

Question 19

Given the following data for X and Y variables,calculate Ó(X +Y)

Accepted Answer

A) 49 
B) 9 
C) 14 
D) 29 
A) 49 
B) 9 
C) 14 
D) 29

Question 20

The number of hours a person sleeps in a 24 hour periods is considered a ____________________variable.

Accepted Answer

The answer of The number of hours a person sleeps...

Calculate the in which x is the number of words recalled 2,3,4.

Studies concerned with the effectiveness of subliminal perception have looked at changes in product desirability as a function of messages presented at sub-threshold levels of stimulation.In those studies,the measure of desirability is called the _____ variable.

Ordinal measures provide information about the magnitude of the differences between the objects.

_ statistics are used to summarize a group of scores from a sample or a population,while _ statistics are used to make statements about a population based on sample data.

Suppose a researcher is interested in how fast a person can identify the names on a list of objects.In this situation,the variable of speed is

The real limits of the number 20 are:

The real limits of a number are those points falling one measurement unit above and one measurement unit below that number.

Taking measurements on a sample and then,from the observations,inferring something about a population is known as _____:

A nonrandom sample of the population may lead to bias results.

Distinguish between descriptive and inferential statistics.

The essential characteristic of random sampling is that every member of the population:

Variables measured on ordinal,interval,or ratio levels are known as _ variables,while variables measured on a nominal level are called _ variables.

Dr.Qui is studying the influence gender has on the type of car a person drives.Both of these variables are considered a ____________________ scale of measurement.

The probability of observing a head on the sixth toss after flipping a coin 5 times and observing five tails is ____.

ÓX² = 30

The number of grains of sand in a sand box has ____ properties.

The real limits of 1.672 are ____.

Given the following data for X and Y variables,calculate Ó(X +Y)

The number of hours a person sleeps in a 24 hour periods is considered a ____________________variable.

Frequency and Probability Distributions

Measures of Central Tendency and Variability

Percentiles,percentile Ranks,standard Scores,and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Probability

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

Principles of Research Design and Statistical Preliminaries for Analyzing Bivariate Relationships

Independent Groups T-Test

Correlated Groups T-Test

One-Way Repeated Measures Analysis of Variance

Pearson Correlation and Regression: Inferential Aspects

Chi-Square Test

Nonparametric Statistics

Two-Way Between-Subjects Analysis of Variance

Overview and Extension: Statistical Tests for More Complex Designs

Filters

Exam 1: Introduction and Mathematical Preliminaries

Calculate the in which x is the number of words recalled 2,3,4.

Studies concerned with the effectiveness of subliminal perception have looked at changes in product desirability as a function of messages presented at sub-threshold levels of stimulation.In those studies,the measure of desirability is called the _____ variable.

Ordinal measures provide information about the magnitude of the differences between the objects.

_____ statistics are used to summarize a group of scores from a sample or a population,while _____ statistics are used to make statements about a population based on sample data.

Suppose a researcher is interested in how fast a person can identify the names on a list of objects.In this situation,the variable of speed is

The real limits of the number 20 are:

The real limits of a number are those points falling one measurement unit above and one measurement unit below that number.

Taking measurements on a sample and then,from the observations,inferring something about a population is known as _____:

A nonrandom sample of the population may lead to bias results.

Distinguish between descriptive and inferential statistics.

The essential characteristic of random sampling is that every member of the population:

Variables measured on ordinal,interval,or ratio levels are known as _____ variables,while variables measured on a nominal level are called _____ variables.

Dr.Qui is studying the influence gender has on the type of car a person drives.Both of these variables are considered a ____________________ scale of measurement.

The probability of observing a head on the sixth toss after flipping a coin 5 times and observing five tails is ____.

ÓX2 = 30

The number of grains of sand in a sand box has ____ properties.

The real limits of 1.672 are ____.

Given the following data for X and Y variables,calculate Ó(X +Y)

The number of hours a person sleeps in a 24 hour periods is considered a ____________________variable.

Frequency and Probability Distributions

Measures of Central Tendency and Variability

Percentiles,percentile Ranks,standard Scores,and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Probability

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

Principles of Research Design and Statistical Preliminaries for Analyzing Bivariate Relationships

Independent Groups T-Test

Correlated Groups T-Test

One-Way Repeated Measures Analysis of Variance

Pearson Correlation and Regression: Inferential Aspects

Chi-Square Test

Nonparametric Statistics

Two-Way Between-Subjects Analysis of Variance

Overview and Extension: Statistical Tests for More Complex Designs

Filters

_ statistics are used to summarize a group of scores from a sample or a population,while _ statistics are used to make statements about a population based on sample data.

Variables measured on ordinal,interval,or ratio levels are known as _ variables,while variables measured on a nominal level are called _ variables.

ÓX² = 30