Question 1

Scores that are normally distributed will have a mean that is equal to the median and mode.

Accepted Answer

A) True 
 B)False

Question 2

In a normal distribution,20% of all scores fall between standard scores of -2 and +2.

Accepted Answer

A) True 
 B)False

Question 3

A standard score represents the number of standard deviation units that a score falls above or below the mean.

Accepted Answer

A) True 
 B)False

Question 4

The score value corresponding to a given percentile rank is referred to as a standard score.

Accepted Answer

A) True 
 B)False

Question 5

What is a T score?

Accepted Answer

T scores are directly analogou

Question 6

The standard deviation of a set of standard scores is always equal to 1.00.

Accepted Answer

A) True 
 B)False

Question 7

What is the standard score of a raw score of 30 from a set of 20 scores where the mean is 15 and the standard deviation is 5?

Accepted Answer

A) 1 
B) -1 
C) 3 
D) -3 
A) 1 
B) -1 
C) 3 
D) -3

Question 8

Percentile rank reflects a(n)_____ measure of relative standing.

Accepted Answer

A) nominal 
B) interval 
C) ratio 
D) ordinal 
A) nominal 
B) interval 
C) ratio 
D) ordinal

Question 9

In all normal distributions,the mean,the median,and the mode are all:

Accepted Answer

A) unequal to each other 
B) standardized to 1.00 
C) evenly distributed 
D) equal to each other 
A) unequal to each other 
B) standardized to 1.00 
C) evenly distributed 
D) equal to each other

Question 10

The percentage of scores in the distribution that occur at or below a given value,X,is the _____ of that value.

Accepted Answer

A) standard score 
B) percentile rank 
C) percentile 
D) rank 
A) standard score 
B) percentile rank 
C) percentile 
D) rank

Question 11

Professor Hansen wants to eliminate any negative standard scores in his class so he should convert scores into____________________.

Accepted Answer

The answer of Professor Hansen wants to eliminate any negative...

Question 12

An instructor has given his final exam and scores that are normally distributed.Nancy scores a 90 and Ronald scores a 75.The class mean on the exam was 85 and the standard deviation was 36.
What is Nancy's z score?

Accepted Answer

A) 0.14 
B) -0.14 
C) 0.83 
D) -0.83 
A) 0.14 
B) -0.14 
C) 0.83 
D) -0.83

Question 13

An instructor has given his final exam,and scores are approximately normally distributed.Nancy scores a 90 and Ronald scores a 75.The characteristics of the distribution are as follows:
= 85,s2 = 36.What is Ronald's z score?

Accepted Answer

A) 1.67 
B) -1.67 
C) .28 
D) -.28 
A) 1.67 
B) -1.67 
C) .28 
D) -.28

Question 14

The number of standard deviation units that a score falls above or below the mean is represented by the _____.

Accepted Answer

A) median frequency 
B) percentile rank 
C) relative frequency 
D) standard score 
A) median frequency 
B) percentile rank 
C) relative frequency 
D) standard score

Question 15

One important use of standard scores is to compare scores on distributions that have different means and standard deviations.

Accepted Answer

A) True 
 B)False

Question 16

The _____ of a set of standard scores is always equal to 0.

Accepted Answer

A) standard deviation 
B) mean 
C) sum 
D) mean and sum 
A) standard deviation 
B) mean 
C) sum 
D) mean and sum

Question 17

In some normal distributions,the proportion of scores that occur above or below a given standard score is different.

Accepted Answer

A) True 
 B)False

Question 18

The scores below represent the results of an in-class quiz worth 10 points.
How many students had a score at or below 8?

Accepted Answer

A) 75% 
B) 60% 
C) 25% 
D) None of these 
A) 75% 
B) 60% 
C) 25% 
D) None of these

Question 19

The proportion of scores occurring between standard scores of 0 and -1 is _____ the proportion of scores occurring between standard scores of 0 and +1.

Accepted Answer

A) equal to 
B) less than 
C) greater than 
D) less than or equal to 
A) equal to 
B) less than 
C) greater than 
D) less than or equal to

Question 20

A positive standard score indicates that the original score is greater than the standard deviation.

Accepted Answer

A) True 
 B)False

Scores that are normally distributed will have a mean that is equal to the median and mode.

In a normal distribution,20% of all scores fall between standard scores of -2 and +2.

A standard score represents the number of standard deviation units that a score falls above or below the mean.

The score value corresponding to a given percentile rank is referred to as a standard score.

What is a T score?

The standard deviation of a set of standard scores is always equal to 1.00.

What is the standard score of a raw score of 30 from a set of 20 scores where the mean is 15 and the standard deviation is 5?

Percentile rank reflects a(n)_____ measure of relative standing.

In all normal distributions,the mean,the median,and the mode are all:

The percentage of scores in the distribution that occur at or below a given value,X,is the _____ of that value.

Professor Hansen wants to eliminate any negative standard scores in his class so he should convert scores into____________________.

An instructor has given his final exam and scores that are normally distributed.Nancy scores a 90 and Ronald scores a 75.The class mean on the exam was 85 and the standard deviation was 36. What is Nancy's z score?

An instructor has given his final exam,and scores are approximately normally distributed.Nancy scores a 90 and Ronald scores a 75.The characteristics of the distribution are as follows: = 85,s² = 36.What is Ronald's z score?

The number of standard deviation units that a score falls above or below the mean is represented by the _____.

One important use of standard scores is to compare scores on distributions that have different means and standard deviations.

The _____ of a set of standard scores is always equal to 0.

In some normal distributions,the proportion of scores that occur above or below a given standard score is different.

The scores below represent the results of an in-class quiz worth 10 points. How many students had a score at or below 8?

The proportion of scores occurring between standard scores of 0 and -1 is _____ the proportion of scores occurring between standard scores of 0 and +1.

A positive standard score indicates that the original score is greater than the standard deviation.

Introduction and Mathematical Preliminaries

Frequency and Probability Distributions

Measures of Central Tendency and Variability

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

Scores that are normally distributed will have a mean that is equal to the median and mode.

In a normal distribution,20% of all scores fall between standard scores of -2 and +2.

A standard score represents the number of standard deviation units that a score falls above or below the mean.

The score value corresponding to a given percentile rank is referred to as a standard score.

What is a T score?

The standard deviation of a set of standard scores is always equal to 1.00.

What is the standard score of a raw score of 30 from a set of 20 scores where the mean is 15 and the standard deviation is 5?

Percentile rank reflects a(n)_____ measure of relative standing.

In all normal distributions,the mean,the median,and the mode are all:

The percentage of scores in the distribution that occur at or below a given value,X,is the _____ of that value.

Professor Hansen wants to eliminate any negative standard scores in his class so he should convert scores into____________________.

An instructor has given his final exam and scores that are normally distributed.Nancy scores a 90 and Ronald scores a 75.The class mean on the exam was 85 and the standard deviation was 36. What is Nancy's z score?

An instructor has given his final exam,and scores are approximately normally distributed.Nancy scores a 90 and Ronald scores a 75.The characteristics of the distribution are as follows: = 85,s2 = 36.What is Ronald's z score?

The number of standard deviation units that a score falls above or below the mean is represented by the _____.

One important use of standard scores is to compare scores on distributions that have different means and standard deviations.

The _____ of a set of standard scores is always equal to 0.

In some normal distributions,the proportion of scores that occur above or below a given standard score is different.

The scores below represent the results of an in-class quiz worth 10 points. How many students had a score at or below 8?

The proportion of scores occurring between standard scores of 0 and -1 is _____ the proportion of scores occurring between standard scores of 0 and +1.

A positive standard score indicates that the original score is greater than the standard deviation.

Introduction and Mathematical Preliminaries

Frequency and Probability Distributions

Measures of Central Tendency and Variability

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

An instructor has given his final exam,and scores are approximately normally distributed.Nancy scores a 90 and Ronald scores a 75.The characteristics of the distribution are as follows: = 85,s² = 36.What is Ronald's z score?