Question 1

In a plot of the normal curve, frequency is plotted on the X axis.

Accepted Answer

A) True 
 B)False

Question 2

If the mean height of college males is 70 inches with a standard deviation of 3 inches, what percentage of college males would be between 6' and 6'4"? Assume a normal distribution.

Accepted Answer

To calculate the percentage of college m

Question 3

In a normal curve, the area contained between the mean and a score that is 2.30 standard deviations above the mean is 0.4893 of the total area.

Accepted Answer

A) True 
 B)False

Question 4

In a population survey of patients in a rehabilitation hospital, the mean length of stay in the hospital was 12.0 weeks with a standard deviation equal to 1.0 week. The distribution was normally distributed. 
 What is the length of stay at the 50th percentile?

Accepted Answer

In a normally distributed dataset, the 5

Question 5

An economics test was given and the following sample scores were recorded:   The z score for individual D is _________.

Accepted Answer

A)  1 
B)  0 
C)  10 
D)    
A)  1 
B)  0 
C)  10 
D)

Question 6

Define asymptotic.

Accepted Answer

"Asymptotic" refers to a concept in math

Question 7

S ( z - µz ) equals _________.

Accepted Answer

A)  0 
B)  1 
C)  the variance 
D)  cannot be determined 
A)  0 
B)  1 
C)  the variance 
D)  cannot be determined

Question 8

A stockbroker has kept a daily record of the value of a particular stock over the years and finds that prices of the stock form a normal distribution with a mean of $8.52 with a standard deviation of $2.38. The stock price beyond which 0.05 of the distribution falls is _________.

Accepted Answer

A)  $ 4.60 
B)  $12.47 
C)  $ 4.57 
D)  $12.44 
A)  $ 4.60 
B)  $12.47 
C)  $ 4.57 
D)  $12.44

Question 9

Is a z distribution always normally shaped? Explain.

Accepted Answer

Yes, a Z-distribution is always normally

Question 10

The mean of the z distribution equals _________.

Accepted Answer

A)  1 
B)  0 
C)  S X 
D)  N 
A)  1 
B)  0 
C)  S X 
D)  N

Question 11

If the original raw score distribution has a mean that is not equal to zero, the mean of the z transformed scores will not equal zero either.

Accepted Answer

A) True 
 B)False

Question 12

In a population survey of patients in a rehabilitation hospital, the mean length of stay in the hospital was 12.0 weeks with a standard deviation equal to 1.0 week. The distribution was normally distributed. 
 What is the length of stay at the 90th percentile?

Accepted Answer

To find the length of stay at the 90th p

Question 13

The normal curve reaches the horizontal axis in 4 standard deviations above and below the mean.

Accepted Answer

A) True 
 B)False

Question 14

In a population survey of patients in a rehabilitation hospital, the mean length of stay in the hospital was 12.0 weeks with a standard deviation equal to 1.0 week. The distribution was normally distributed. 
 What percentage of patients would you expect to stay between 11.5 weeks and 13.0 weeks?

Accepted Answer

To determine the percentage of patients

Question 15

The mean of the z distribution equals _________.

Accepted Answer

A)  0 
B)  1 
C)  N 
D)  Depends on the raw scores. 
A)  0 
B)  1 
C)  N 
D)  Depends on the raw scores.

Question 16

In a population survey of patients in a rehabilitation hospital, the mean length of stay in the hospital was 12.0 weeks with a standard deviation equal to 1.0 week. The distribution was normally distributed. 
 What proportion of patients are likely to be in less than 9.7 weeks?

Accepted Answer

To determine the proportion of patients

Question 17

The z distribution takes on the same shape as the raw scores.

Accepted Answer

A) True 
 B)False

Question 18

In a population survey of patients in a rehabilitation hospital, the mean length of stay in the hospital was 12.0 weeks with a standard deviation equal to 1.0 week. The distribution was normally distributed. 
 How many times out of 10,000 would you expect a patient selected at random to remain in the hospital longer than 14.6 weeks?

Accepted Answer

To determine how many times out of 10,00

Question 19

Does the z transformation result in a score having the same units of measurement as the raw score? Explain. Why is this advantageous?

Accepted Answer

The z transformation does not result in

Question 20

List three characteristics of a z distribution.

Accepted Answer

A z-distribution, also known as a standa

In a plot of the normal curve, frequency is plotted on the X axis.

If the mean height of college males is 70 inches with a standard deviation of 3 inches, what percentage of college males would be between 6' and 6'4"? Assume a normal distribution.

In a normal curve, the area contained between the mean and a score that is 2.30 standard deviations above the mean is 0.4893 of the total area.

In a population survey of patients in a rehabilitation hospital, the mean length of stay in the hospital was 12.0 weeks with a standard deviation equal to 1.0 week. The distribution was normally distributed. What is the length of stay at the 50th percentile?

An economics test was given and the following sample scores were recorded: The z score for individual D is _________.

Define asymptotic.

S ( z - µz ) equals _________.

A stockbroker has kept a daily record of the value of a particular stock over the years and finds that prices of the stock form a normal distribution with a mean of $8.52 with a standard deviation of $2.38. The stock price beyond which 0.05 of the distribution falls is _________.

Is a z distribution always normally shaped? Explain.

The mean of the z distribution equals _________.

If the original raw score distribution has a mean that is not equal to zero, the mean of the z transformed scores will not equal zero either.

In a population survey of patients in a rehabilitation hospital, the mean length of stay in the hospital was 12.0 weeks with a standard deviation equal to 1.0 week. The distribution was normally distributed. What is the length of stay at the 90th percentile?

The normal curve reaches the horizontal axis in 4 standard deviations above and below the mean.

In a population survey of patients in a rehabilitation hospital, the mean length of stay in the hospital was 12.0 weeks with a standard deviation equal to 1.0 week. The distribution was normally distributed. What percentage of patients would you expect to stay between 11.5 weeks and 13.0 weeks?

The mean of the z distribution equals _________.

In a population survey of patients in a rehabilitation hospital, the mean length of stay in the hospital was 12.0 weeks with a standard deviation equal to 1.0 week. The distribution was normally distributed. What proportion of patients are likely to be in less than 9.7 weeks?

The z distribution takes on the same shape as the raw scores.

Does the z transformation result in a score having the same units of measurement as the raw score? Explain. Why is this advantageous?

List three characteristics of a z distribution.

Statistics and Scientific Method

Basic Mathematical and Measurement Concepts

Frequency Distributions

Measures of Central Tendency and Variability

Correlation

Linear Regression

Random Sampling and Probability

Binomial Distribution

Introduction to Hypothesis Testing: Using the Sign Test

Power

Sampling Distributions, Sampling Distribution of the Mean: the Normal Deviate Z Test

Students T Test for Single Samples

Students T Test for Correlated and Independent Groups

Introduction to the Analysis of Variance

Introduction to the Two-Way Analysis of Variance

Chi-Square and Other Nonparametric Tests

Filters

Exam 5: The Normal Curve and Standard Scores

In a plot of the normal curve, frequency is plotted on the X axis.

If the mean height of college males is 70 inches with a standard deviation of 3 inches, what percentage of college males would be between 6' and 6'4"? Assume a normal distribution.

In a normal curve, the area contained between the mean and a score that is 2.30 standard deviations above the mean is 0.4893 of the total area.

In a population survey of patients in a rehabilitation hospital, the mean length of stay in the hospital was 12.0 weeks with a standard deviation equal to 1.0 week. The distribution was normally distributed. What is the length of stay at the 50th percentile?

An economics test was given and the following sample scores were recorded: The z score for individual D is _________.

Define asymptotic.

S ( z - µz ) equals _________.

A stockbroker has kept a daily record of the value of a particular stock over the years and finds that prices of the stock form a normal distribution with a mean of $8.52 with a standard deviation of $2.38. The stock price beyond which 0.05 of the distribution falls is _________.

Is a z distribution always normally shaped? Explain.

The mean of the z distribution equals _________.

If the original raw score distribution has a mean that is not equal to zero, the mean of the z transformed scores will not equal zero either.

In a population survey of patients in a rehabilitation hospital, the mean length of stay in the hospital was 12.0 weeks with a standard deviation equal to 1.0 week. The distribution was normally distributed. What is the length of stay at the 90th percentile?

The normal curve reaches the horizontal axis in 4 standard deviations above and below the mean.

In a population survey of patients in a rehabilitation hospital, the mean length of stay in the hospital was 12.0 weeks with a standard deviation equal to 1.0 week. The distribution was normally distributed. What percentage of patients would you expect to stay between 11.5 weeks and 13.0 weeks?

The mean of the z distribution equals _________.

In a population survey of patients in a rehabilitation hospital, the mean length of stay in the hospital was 12.0 weeks with a standard deviation equal to 1.0 week. The distribution was normally distributed. What proportion of patients are likely to be in less than 9.7 weeks?

The z distribution takes on the same shape as the raw scores.

Does the z transformation result in a score having the same units of measurement as the raw score? Explain. Why is this advantageous?

List three characteristics of a z distribution.

Statistics and Scientific Method

Basic Mathematical and Measurement Concepts

Frequency Distributions

Measures of Central Tendency and Variability

Correlation

Linear Regression

Random Sampling and Probability

Binomial Distribution

Introduction to Hypothesis Testing: Using the Sign Test

Power

Sampling Distributions, Sampling Distribution of the Mean: the Normal Deviate Z Test

Students T Test for Single Samples

Students T Test for Correlated and Independent Groups

Introduction to the Analysis of Variance

Introduction to the Two-Way Analysis of Variance

Chi-Square and Other Nonparametric Tests

Filters