For each of the following z-scores,what is the area between the mean and each z-score? 0.40;1.01;F1F1F1S1F1F1F101.48;F1F1F1S1F1F1F101.89;2.53

A) 0.3446;0.1562;0.0694;0.0294;0.0057 B) 0.1554;0.3438;F1F1F1S1F1F1F100.4306;F1F1F1S1F1F1F100.4706;0.4943 C) 0.1554;0.3438;0.4306;0.4706;0.4943 D) 0.3446;0.1562;F1F1F1S1F1F1F100.0694;F1F1F1S1F1F1F100.0294;0.0057 A) 0.3446;0.1562;0.0694;0.0294;0.0057 B) 0.1554;0.3438;F1F1F1S1F1F1F100.4306;F1F1F1S1F1F1F100.4706;0.4943 C) 0.1554;0.3438;0.4306;0.4706;0.4943 D) 0.3446;0.1562;F1F1F1S1F1F1F100.0694;F1F1F1S1F1F1F100.0294;0.0057 C

The average score on the statistics quiz was a 70,and there was a standard deviation of 10 points.If Enrique had a z-score of F1F1F1S1F1F1F101.0,his raw score would be ______ and his percentile rank would be ______.

A) 40;2% B) 50;16% C) 60;16% D) 60;34% A) 40;2% B) 50;16% C) 60;16% D) 60;34%

Exam 6: Z-Scores and the Normal Curve

If only the upper 30% of a normally distributed class passed a quiz for which the mean was 70 and the standard deviation was 10,what was the lowest score a student could have received and still have passed?

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Question 1

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For each of the following z-scores,what is the area between the mean and each z-score? 0.40;1.01;1.48;1.89;2.53

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Question 2

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For the following set of sample scores,what is the z-score for a raw score of 23? 22,23,19,25,26,22,19,25,22,20,21,23,23,24,18,20,22,24,21,21,20,24,22,21,23

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Question 3

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If there were 500 students in Jamal's class,approximately how many actual students scored higher than Jamal on the quiz if Jamal had a z-score of 1?

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Question 4

Which of the following is not one of the things z-scores allow us to calculate for corresponding raw scores?

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Question 5

The average score on the statistics quiz was a 70,and there was a standard deviation of 10 points.If Enrique had a z-score of 1.0,his raw score would be and his percentile rank would be .

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Question 6

In a z-distribution,the standard deviation will always be

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Question 7

On a recent paper,Maria's score,transformed to a z-score,was +1.If the cutoff mark is the upper 10% of the class for As,the upper 10% to 20% for Bs,the upper 20% to 30% for Cs,and the upper 30% to 40% for Ds (below 60% being a failure),what grade did Maria receive on the quiz?

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Question 8

z-scores can be calculated from

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Question 9

To evaluate a person for possible brain damage,a neuropsychologist gives the person a visual memory test and a reading test.To compare the person's performance across these two tests,what should the neuropsychologist do?

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Question 10

The standard deviation of the sampling distribution of means is called the

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Question 11

If raw scores ranging from 1 to 50 represented all the corresponding negative z-scores on the distribution,and raw scores ranging from 50 to 100 represented all the corresponding positive z-scores,what would be the total relative frequency of 50 to 100?

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Question 12

Jason's z-score in the 10-K run was 3.If the raw score standard deviation was 5,and the mean running time for the competitors was 55 minutes,what was Jason's raw score running time?

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Question 13

Chris wants to calculate a z-score for his own height.The average height in the class is 66 inches,and Chris's height is 62 inches.Chris calculated his z-score to be +1.5.What's wrong with his calculation?

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Question 14

Which of the following statements accurately describes the sampling distribution of means?

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Question 15

If a class's scores are normally distributed,with a mean of 70 and a standard deviation of 10,what are the upper and lower limits of the middle 68% of the class?

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Question 16

The sample mean for a recent introductory psychology test was 78,and the sample variance was 9.If a student's z-score = -2.0,what was this student's raw test score?

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Question 17

A sampling distribution of means for samples of students taking the SAT exam has a population mean of 500 and a standard error of 200.What proportion of sample means would fall between the population mean and a sample mean of 800?

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Question 18

When the standard deviation of a raw score distribution is large,the corresponding z-score distribution will be

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Question 19

A sampling distribution of means is an approximately normal distribution

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Question 20

Showing 1 - 20 of 60

If only the upper 30% of a normally distributed class passed a quiz for which the mean was 70 and the standard deviation was 10,what was the lowest score a student could have received and still have passed?

For each of the following z-scores,what is the area between the mean and each z-score? 0.40;1.01;1.48;1.89;2.53

For the following set of sample scores,what is the z-score for a raw score of 23? 22,23,19,25,26,22,19,25,22,20,21,23,23,24,18,20,22,24,21,21,20,24,22,21,23

If there were 500 students in Jamal's class,approximately how many actual students scored higher than Jamal on the quiz if Jamal had a z-score of 1?

Which of the following is not one of the things z-scores allow us to calculate for corresponding raw scores?

The average score on the statistics quiz was a 70,and there was a standard deviation of 10 points.If Enrique had a z-score of 1.0,his raw score would be and his percentile rank would be .

In a z-distribution,the standard deviation will always be

On a recent paper,Maria's score,transformed to a z-score,was +1.If the cutoff mark is the upper 10% of the class for As,the upper 10% to 20% for Bs,the upper 20% to 30% for Cs,and the upper 30% to 40% for Ds (below 60% being a failure),what grade did Maria receive on the quiz?

z-scores can be calculated from

To evaluate a person for possible brain damage,a neuropsychologist gives the person a visual memory test and a reading test.To compare the person's performance across these two tests,what should the neuropsychologist do?

The standard deviation of the sampling distribution of means is called the

If raw scores ranging from 1 to 50 represented all the corresponding negative z-scores on the distribution,and raw scores ranging from 50 to 100 represented all the corresponding positive z-scores,what would be the total relative frequency of 50 to 100?

Jason's z-score in the 10-K run was 3.If the raw score standard deviation was 5,and the mean running time for the competitors was 55 minutes,what was Jason's raw score running time?

Chris wants to calculate a z-score for his own height.The average height in the class is 66 inches,and Chris's height is 62 inches.Chris calculated his z-score to be +1.5.What's wrong with his calculation?

Which of the following statements accurately describes the sampling distribution of means?

If a class's scores are normally distributed,with a mean of 70 and a standard deviation of 10,what are the upper and lower limits of the middle 68% of the class?

The sample mean for a recent introductory psychology test was 78,and the sample variance was 9.If a student's z-score = -2.0,what was this student's raw test score?

A sampling distribution of means for samples of students taking the SAT exam has a population mean of 500 and a standard error of 200.What proportion of sample means would fall between the population mean and a sample mean of 800?

When the standard deviation of a raw score distribution is large,the corresponding z-score distribution will be

A sampling distribution of means is an approximately normal distribution

Introduction to Statistics

Statistics and the Research Process

Frequency Distributions and Percentiles

Measures of Central Tendency;the Mean, median, and Mode

Measures of Variability: Range, variance, and Standard Deviation

The Correlation Coefficient

Linear Regression

Using Probability to Make Decisions About Data

Introduction to Hypothesis Testing

Performing the One-Sample T-Test and Testing Correlation Coefficients

The Two-Sample T-Test

The One-Way Analysis of Variance

The Two-Way Analysis of Variance

Chi Square and Other Nonparametric Procedures

Filters

Exam 6: Z-Scores and the Normal Curve

If only the upper 30% of a normally distributed class passed a quiz for which the mean was 70 and the standard deviation was 10,what was the lowest score a student could have received and still have passed?

For each of the following z-scores,what is the area between the mean and each z-score? 0.40;1.01;1.48;1.89;2.53

For the following set of sample scores,what is the z-score for a raw score of 23? 22,23,19,25,26,22,19,25,22,20,21,23,23,24,18,20,22,24,21,21,20,24,22,21,23

If there were 500 students in Jamal's class,approximately how many actual students scored higher than Jamal on the quiz if Jamal had a z-score of 1?

Which of the following is not one of the things z-scores allow us to calculate for corresponding raw scores?

The average score on the statistics quiz was a 70,and there was a standard deviation of 10 points.If Enrique had a z-score of 1.0,his raw score would be ______ and his percentile rank would be ______.

In a z-distribution,the standard deviation will always be

On a recent paper,Maria's score,transformed to a z-score,was +1.If the cutoff mark is the upper 10% of the class for As,the upper 10% to 20% for Bs,the upper 20% to 30% for Cs,and the upper 30% to 40% for Ds (below 60% being a failure),what grade did Maria receive on the quiz?

z-scores can be calculated from

To evaluate a person for possible brain damage,a neuropsychologist gives the person a visual memory test and a reading test.To compare the person's performance across these two tests,what should the neuropsychologist do?

The standard deviation of the sampling distribution of means is called the

If raw scores ranging from 1 to 50 represented all the corresponding negative z-scores on the distribution,and raw scores ranging from 50 to 100 represented all the corresponding positive z-scores,what would be the total relative frequency of 50 to 100?

Jason's z-score in the 10-K run was 3.If the raw score standard deviation was 5,and the mean running time for the competitors was 55 minutes,what was Jason's raw score running time?

Chris wants to calculate a z-score for his own height.The average height in the class is 66 inches,and Chris's height is 62 inches.Chris calculated his z-score to be +1.5.What's wrong with his calculation?

Which of the following statements accurately describes the sampling distribution of means?

If a class's scores are normally distributed,with a mean of 70 and a standard deviation of 10,what are the upper and lower limits of the middle 68% of the class?

The sample mean for a recent introductory psychology test was 78,and the sample variance was 9.If a student's z-score = -2.0,what was this student's raw test score?

A sampling distribution of means for samples of students taking the SAT exam has a population mean of 500 and a standard error of 200.What proportion of sample means would fall between the population mean and a sample mean of 800?

When the standard deviation of a raw score distribution is large,the corresponding z-score distribution will be

A sampling distribution of means is an approximately normal distribution

Introduction to Statistics

Statistics and the Research Process

Frequency Distributions and Percentiles

Measures of Central Tendency;the Mean, median, and Mode

Measures of Variability: Range, variance, and Standard Deviation

The Correlation Coefficient

Linear Regression

Using Probability to Make Decisions About Data

Introduction to Hypothesis Testing

Performing the One-Sample T-Test and Testing Correlation Coefficients

The Two-Sample T-Test

The One-Way Analysis of Variance

The Two-Way Analysis of Variance

Chi Square and Other Nonparametric Procedures

Filters

The average score on the statistics quiz was a 70,and there was a standard deviation of 10 points.If Enrique had a z-score of 1.0,his raw score would be and his percentile rank would be .