Question 1

The median of a set of 10 observations,is the sum of the 10 individual observations divided by 10.

Accepted Answer

A) True 
 B)False  False

Question 2

The median is the central item in a group of observations when they are arrayed in either an ascending or a descending order.

Accepted Answer

A) True 
 B)False  True

Question 3

The mode and the median always have the same value.

Accepted Answer

A) True 
 B)False  False

Question 4

Chi-square analysis does not allow us to test hypotheses.

Accepted Answer

A) True 
 B)False

Question 5

The variance is calculated by subtracting the mean from each of the observations in the data set,taking the square of this difference,and dividing the total of these by the number of observations.

Accepted Answer

A) True 
 B)False

Question 6

Chi-square analysis is used when the independent variable and the dependent variable are nominal in nature.

Accepted Answer

A) True 
 B)False

Question 7

Data transformation is necessary when several questions have been used to measure a single concept.

Accepted Answer

A) True 
 B)False

Question 8

The standard deviation offers an index of the spread of a distribution or the variability in the data.

Accepted Answer

A) True 
 B)False

Question 9

The annual salaries of nine employees in a department are $65,000,$30,000,$25,000,$64,000,$35,000,$63,000,$32,000,$60,000,and $61,000.The median salary here works out to be about:

Accepted Answer

A) $48,333 
B) $ 55.000 
C) $60,000 
D) $ 61,000 
A) $48,333 
B) $ 55.000 
C) $60,000 
D) $ 61,000

Question 10

Reverse scoring is a specific type of data transformation.

Accepted Answer

A) True 
 B)False

Question 11

The annual salaries of nine employees in a department are $65,000,$30,000,$25,000,$64,000,$35,000,$63,000,$32,000,$60,000,and $61,000.The mean salary here works out to be about:

Accepted Answer

A) $48,333 
B) $ 55.000 
C) $60,000 
D) $ 61,000 
A) $48,333 
B) $ 55.000 
C) $60,000 
D) $ 61,000

Question 12

Illogical codes are values that are not specified in the coding instructions.

Accepted Answer

A) True 
 B)False

Question 13

A Pearson correlation matrix will indicate the direction,strength,and significance of the bivariate relationships of all the variables that were measured at an interval or ratio level.

Accepted Answer

A) True 
 B)False

Question 14

Chi-square analysis is a suitable technique to determine if the sample is a reflection of the population in terms of access to the internet (access/no access).

Accepted Answer

A) True 
 B)False

Question 15

A hypothesis that postulates a significant positive relationship between two variables can be tested by examining the correlation between the two.

Accepted Answer

A) True 
 B)False

Question 16

Cronbach's alpha and the split-half reliability coefficient are both instruments to determine the reliability of a scale.

Accepted Answer

A) True 
 B)False

Question 17

Data transformation,a variation of data coding,is the process of changing the original numerical representation of a quantitative value to another value.

Accepted Answer

A) True 
 B)False

Question 18

Range refers to the extreme values in a set of observations.

Accepted Answer

A) True 
 B)False

Question 19

Measures of dispersion include the mean,the median,and the mode.

Accepted Answer

A) True 
 B)False

Question 20

Factorial validity can be established by submitting the data for factor analysis.

Accepted Answer

A) True 
 B)False

The median of a set of 10 observations,is the sum of the 10 individual observations divided by 10.

The median is the central item in a group of observations when they are arrayed in either an ascending or a descending order.

The mode and the median always have the same value.

Chi-square analysis does not allow us to test hypotheses.

The variance is calculated by subtracting the mean from each of the observations in the data set,taking the square of this difference,and dividing the total of these by the number of observations.

Chi-square analysis is used when the independent variable and the dependent variable are nominal in nature.

Data transformation is necessary when several questions have been used to measure a single concept.

The standard deviation offers an index of the spread of a distribution or the variability in the data.

The annual salaries of nine employees in a department are $65,000,$30,000,$25,000,$64,000,$35,000,$63,000,$32,000,$60,000,and $61,000.The median salary here works out to be about:

Reverse scoring is a specific type of data transformation.

The annual salaries of nine employees in a department are $65,000,$30,000,$25,000,$64,000,$35,000,$63,000,$32,000,$60,000,and $61,000.The mean salary here works out to be about:

Illogical codes are values that are not specified in the coding instructions.

A Pearson correlation matrix will indicate the direction,strength,and significance of the bivariate relationships of all the variables that were measured at an interval or ratio level.

Chi-square analysis is a suitable technique to determine if the sample is a reflection of the population in terms of access to the internet (access/no access).

A hypothesis that postulates a significant positive relationship between two variables can be tested by examining the correlation between the two.

Cronbach's alpha and the split-half reliability coefficient are both instruments to determine the reliability of a scale.

Data transformation,a variation of data coding,is the process of changing the original numerical representation of a quantitative value to another value.

Range refers to the extreme values in a set of observations.

Measures of dispersion include the mean,the median,and the mode.

Factorial validity can be established by submitting the data for factor analysis.

Introduction to Research

Scientific Investigation

The Research Process: the Broad Problem Area and Defining the Problem Statement

The Research Process: Theoretical Framework and Hypothesis Design

The Research Process: Elements of Research Design

Measurement of Variables: Operational Definition

Measurement: Scaling,reliability,validity

Data Collection Methods

Experimental Designs

Sampling

Quantitative Data Analysis Part 2: Hypothesis Testing

Qualitative Data Analysis

The Research Report

Filters

Exam 11: Quantitative Data Analysis

The median of a set of 10 observations,is the sum of the 10 individual observations divided by 10.

The median is the central item in a group of observations when they are arrayed in either an ascending or a descending order.

The mode and the median always have the same value.

Chi-square analysis does not allow us to test hypotheses.

The variance is calculated by subtracting the mean from each of the observations in the data set,taking the square of this difference,and dividing the total of these by the number of observations.

Chi-square analysis is used when the independent variable and the dependent variable are nominal in nature.

Data transformation is necessary when several questions have been used to measure a single concept.

The standard deviation offers an index of the spread of a distribution or the variability in the data.

The annual salaries of nine employees in a department are $65,000,$30,000,$25,000,$64,000,$35,000,$63,000,$32,000,$60,000,and $61,000.The median salary here works out to be about:

Reverse scoring is a specific type of data transformation.

The annual salaries of nine employees in a department are $65,000,$30,000,$25,000,$64,000,$35,000,$63,000,$32,000,$60,000,and $61,000.The mean salary here works out to be about:

Illogical codes are values that are not specified in the coding instructions.

A Pearson correlation matrix will indicate the direction,strength,and significance of the bivariate relationships of all the variables that were measured at an interval or ratio level.

Chi-square analysis is a suitable technique to determine if the sample is a reflection of the population in terms of access to the internet (access/no access).

A hypothesis that postulates a significant positive relationship between two variables can be tested by examining the correlation between the two.

Cronbach's alpha and the split-half reliability coefficient are both instruments to determine the reliability of a scale.

Data transformation,a variation of data coding,is the process of changing the original numerical representation of a quantitative value to another value.

Range refers to the extreme values in a set of observations.

Measures of dispersion include the mean,the median,and the mode.

Factorial validity can be established by submitting the data for factor analysis.

Introduction to Research

Scientific Investigation

The Research Process: the Broad Problem Area and Defining the Problem Statement

The Research Process: Theoretical Framework and Hypothesis Design

The Research Process: Elements of Research Design

Measurement of Variables: Operational Definition

Measurement: Scaling,reliability,validity

Data Collection Methods

Experimental Designs

Sampling

Quantitative Data Analysis Part 2: Hypothesis Testing

Qualitative Data Analysis

The Research Report

Filters