Given a normal distribution of test scores with = 80,s2 = 49,what is the z score corresponding to a test score of 70?

A) -1.43 B) 1.43 C) -2.1 D) 22 A) -1.43 B) 1.43 C) -2.1 D) 22

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

John scored an 85 on his most recent psychology exam.Which of the following distributions would John least prefer (assuming he wishes to perform as well as possible,and higher test scores are more favorable)?

(Multiple Choice)

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Question 41

On average a person sleeps 6 hours a day with a standard deviation of 1 hour.If Jeff has a standard score of -1.5 how many hours does he sleep?

(Multiple Choice)

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Question 42

In a normal distribution,approximately _____ of all scores fall between standard scores of -3 and +3.

(Multiple Choice)

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Question 43

Janet received an 80 on her English exam and a 50 on her chemistry exam.The Mean for the class in English was 78 SD=2 and the mean for the chemistry exam was 48 and SD = 4.Which exam did Janet to better on?

(Essay)

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Question 44

Gary is told that his percentile rank on the law school admissions exam is 87.This indicates that 87% of students taking this exam scored _____ Gary.

(Multiple Choice)

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Question 45

What does is mean if you scored in the 80^th percentile on your psychology test?

(Essay)

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Question 46

Janet received an 80 on her English exam and a 50 on her chemistry exam.The Mean for the class in English was 78 SD=2 and the mean for the chemistry exam was 48 and SD = 4.Transform Janet's score on her Chemistry exam into a T-score.

(Short Answer)

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Question 47

A set of scores that is positively skewed will _____ after they have been converted to standard scores.

(Multiple Choice)

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Question 48

A standard score of 0 indicates that the original score is equal to the standard deviation.

(True/False)

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Question 49

The _ and the _ of a set of standard scores is always equal to 1.00.

(Multiple Choice)

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Question 50

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 T score? (Hint use formula: mean=50 +10 (standard or Zscore)

(Multiple Choice)

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Question 51

Standardization affects the central tendency,variability,skewness,and kurtosis of the scores.

(True/False)

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Question 52

A negative standard score indicates that the _____ was below the mean of the distribution.

(Multiple Choice)

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Question 53

For a T score with a mean of 50 and a standard deviation of 10,the T score equivalent to a standard score of 2.5 is _____.

(Multiple Choice)

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Question 54

In a normal distribution,approximately 95% of all scores fall between standard scores of _____.

(Multiple Choice)

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Question 55

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 T score (for a mean of 50 and a standard deviation of 10)?

(Multiple Choice)

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Question 56

Given a normal distribution of test scores with = 80,s²= 49,what is the z score corresponding to a test score of 70?

(Multiple Choice)

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Question 57

A psychologist is interested in how well people can remember words that they had previously seen.He gives them a list of 70 words,but does not tell them they will be tested later.One week later the students are given a list of 140 words,and told to choose the ones they had seen the previous week.Below is the grouped distribution of the number of words remembered by the subjects. What is the score at the 50^th percentile?

(Multiple Choice)

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Question 58

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

(Multiple Choice)

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Question 59

A standard score in a normal distribution is referred to as a z score.

(True/False)

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Question 60

Showing 41 - 60 of 176

John scored an 85 on his most recent psychology exam.Which of the following distributions would John least prefer (assuming he wishes to perform as well as possible,and higher test scores are more favorable)?

On average a person sleeps 6 hours a day with a standard deviation of 1 hour.If Jeff has a standard score of -1.5 how many hours does he sleep?

In a normal distribution,approximately _____ of all scores fall between standard scores of -3 and +3.

Janet received an 80 on her English exam and a 50 on her chemistry exam.The Mean for the class in English was 78 SD=2 and the mean for the chemistry exam was 48 and SD = 4.Which exam did Janet to better on?

Gary is told that his percentile rank on the law school admissions exam is 87.This indicates that 87% of students taking this exam scored _____ Gary.

What does is mean if you scored in the 80^th percentile on your psychology test?

Janet received an 80 on her English exam and a 50 on her chemistry exam.The Mean for the class in English was 78 SD=2 and the mean for the chemistry exam was 48 and SD = 4.Transform Janet's score on her Chemistry exam into a T-score.

A set of scores that is positively skewed will _____ after they have been converted to standard scores.

A standard score of 0 indicates that the original score is equal to the standard deviation.

The _ and the _ of a set of standard scores is always equal to 1.00.

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 T score? (Hint use formula: mean=50 +10 (standard or Zscore)

Standardization affects the central tendency,variability,skewness,and kurtosis of the scores.

A negative standard score indicates that the _____ was below the mean of the distribution.

For a T score with a mean of 50 and a standard deviation of 10,the T score equivalent to a standard score of 2.5 is _____.

In a normal distribution,approximately 95% of all scores fall between standard scores of _____.

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 T score (for a mean of 50 and a standard deviation of 10)?

Given a normal distribution of test scores with = 80,s²= 49,what is the z score corresponding to a test score of 70?

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

A standard score in a normal distribution is referred to as a z score.

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

John scored an 85 on his most recent psychology exam.Which of the following distributions would John least prefer (assuming he wishes to perform as well as possible,and higher test scores are more favorable)?

On average a person sleeps 6 hours a day with a standard deviation of 1 hour.If Jeff has a standard score of -1.5 how many hours does he sleep?

In a normal distribution,approximately _____ of all scores fall between standard scores of -3 and +3.

Janet received an 80 on her English exam and a 50 on her chemistry exam.The Mean for the class in English was 78 SD=2 and the mean for the chemistry exam was 48 and SD = 4.Which exam did Janet to better on?

Gary is told that his percentile rank on the law school admissions exam is 87.This indicates that 87% of students taking this exam scored _____ Gary.

What does is mean if you scored in the 80th percentile on your psychology test?

Janet received an 80 on her English exam and a 50 on her chemistry exam.The Mean for the class in English was 78 SD=2 and the mean for the chemistry exam was 48 and SD = 4.Transform Janet's score on her Chemistry exam into a T-score.

A set of scores that is positively skewed will _____ after they have been converted to standard scores.

A standard score of 0 indicates that the original score is equal to the standard deviation.

The _____ and the _____ of a set of standard scores is always equal to 1.00.

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 T score? (Hint use formula: mean=50 +10 (standard or Zscore)

Standardization affects the central tendency,variability,skewness,and kurtosis of the scores.

A negative standard score indicates that the _____ was below the mean of the distribution.

For a T score with a mean of 50 and a standard deviation of 10,the T score equivalent to a standard score of 2.5 is _____.

In a normal distribution,approximately 95% of all scores fall between standard scores of _____.

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 T score (for a mean of 50 and a standard deviation of 10)?

Given a normal distribution of test scores with = 80,s2 = 49,what is the z score corresponding to a test score of 70?

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

A standard score in a normal distribution is referred to as a z score.

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

What does is mean if you scored in the 80^th percentile on your psychology test?

The _ and the _ of a set of standard scores is always equal to 1.00.

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 T score (for a mean of 50 and a standard deviation of 10)?

Given a normal distribution of test scores with = 80,s²= 49,what is the z score corresponding to a test score of 70?