Question 1

Which of the following refers to the distribution free statistics in which few assumptions are made regarding the normality of the population?

Accepted Answer

A)  Phi coefficient
B)  Parametric statistics
C)  Nonparametric statistics
D)  Null hypothesis C

Question 2

The __________ is the simplest measure of central tendency and is simply the most frequently occurring score.

Accepted Answer

mode

Question 3

Which of the following is intended to summarize or describe data or show relationships between variables?

Accepted Answer

A)  Descriptive statistics
B)  Inferential statistics
C)  Absolute statistics
D)  Cluster statistics A

Question 4

Which of the following is used to compare the sample means of two groups?

Accepted Answer

A)  s Test
B)  Tests of significance
C)  t Test
D)  x Test

Question 5

The __________ is the error of assuming that relationships based on groups aggregate,ecological,or a real data)can be validly assumed to be true of individual correlations.

Accepted Answer

The answer of The __________ is the error of assuming...

Question 6

Chi-square is a test of the independence of the relationship between nominal or categorical variables.

Accepted Answer

A) True 
 B)False

Question 7

Tests of significance assess whether the differences between observed and expected values could be due to chance or are statistically significant.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following refers to a useful chi-square-based measure of relationship appropriate for a 2 X 2 table?

Accepted Answer

A)  Phi coefficient
B)  Chi coefficient
C)  Contingency coefficient
D)  Cramer's V

Question 9

__________ are intended to summarize or describe data or show relationships between variables.

Accepted Answer

The answer of __________ are intended to summarize or describe...

Question 10

Standard deviation units,or Z scores,measure the deviation from the mean relative to the standard deviation.

Accepted Answer

A) True 
 B)False

Question 11

The standard deviation is the simplest measure of dispersion and represents either the highest and lowest scores or the distance between the highest and lowest scores in a distribution.

Accepted Answer

A) True 
 B)False

Question 12

The __________ average)is the most familiar measure of central tendency and simply involves dividing the total score by the total number of cases N.

Accepted Answer

The answer of The __________ average)is the most familiar measure...

Question 13

__________ assumes that there is no difference between the groups being compared or no relationship in the population.

Accepted Answer

The answer of __________ assumes that there is no difference...

Question 14

Which of the following refers to the number of cells that are free to vary;that is,once the value of certain cells is fixed,the others are no longer free to vary?

Accepted Answer

A)  Degrees of variance
B)  Degrees of distribution
C)  Degrees of freedom
D)  None of the above

Question 15

The mean is the simplest measure of central tendency and is simply the most frequently occurring score.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following takes place when as the value of one variable increases the value of the other decreases?

Accepted Answer

A)  Positive relationship
B)  Negative relationship
C)  Statistical relationship
D)  Progressive relationship

Question 17

Define and discuss the ecological fallacy.

Accepted Answer

The answer of Define and discuss the ecological fallacy....

Question 18

Define chi-square and explain its function.

Accepted Answer

The answer of Define chi-square and explain its function....

Question 19

Which of the following enables generalization or inference of sample findings to larger populations or assessment of the probability of certain findings?

Accepted Answer

A)  Descriptive statistics
B)  Inferential statistics
C)  Absolute statistics
D)  Cluster statistics

Question 20

Parametric statistics are distribution free statistics in which few assumptions are made regarding the normality of the population.

Accepted Answer

A) True 
 B)False

Exam 13: Data Analysis: a Users Guide to Statistics

Which of the following refers to the distribution free statistics in which few assumptions are made regarding the normality of the population?

The __________ is the simplest measure of central tendency and is simply the most frequently occurring score.

Which of the following is intended to summarize or describe data or show relationships between variables?

Which of the following is used to compare the sample means of two groups?

The __________ is the error of assuming that relationships based on groups aggregate,ecological,or a real data)can be validly assumed to be true of individual correlations.

Chi-square is a test of the independence of the relationship between nominal or categorical variables.

Tests of significance assess whether the differences between observed and expected values could be due to chance or are statistically significant.

Which of the following refers to a useful chi-square-based measure of relationship appropriate for a 2 X 2 table?

__________ are intended to summarize or describe data or show relationships between variables.

Standard deviation units,or Z scores,measure the deviation from the mean relative to the standard deviation.

The standard deviation is the simplest measure of dispersion and represents either the highest and lowest scores or the distance between the highest and lowest scores in a distribution.

The __________ average)is the most familiar measure of central tendency and simply involves dividing the total score by the total number of cases N.

__________ assumes that there is no difference between the groups being compared or no relationship in the population.

Which of the following refers to the number of cells that are free to vary;that is,once the value of certain cells is fixed,the others are no longer free to vary?

The mean is the simplest measure of central tendency and is simply the most frequently occurring score.

Which of the following takes place when as the value of one variable increases the value of the other decreases?

Define and discuss the ecological fallacy.

Define chi-square and explain its function.

Which of the following enables generalization or inference of sample findings to larger populations or assessment of the probability of certain findings?

Parametric statistics are distribution free statistics in which few assumptions are made regarding the normality of the population.