Question 1

Calculate the z-score for the kurtosis of the resting heart rate data.

Accepted Answer

A)  -0.6 
B)  +0.6 
C)  -1.6 
D)  +1.6 
A)  -0.6 
B)  +0.6 
C)  -1.6 
D)  +1.6 A

Question 2

The following resting data were collected from three different sports teams (hockey, rugby and football). Ignoring the sports, plot a box-whisker plot for age, body mass, systolic blood pressure (SBP), diastolic blood pressure (DBP). Which variables does not have an outlier? (You may select more than one option.)

Accepted Answer

A)  Body mass 
B)  Age 
C)  Systolic blood pressure 
D)  Diastolic blood pressure 
A)  Body mass 
B)  Age 
C)  Systolic blood pressure 
D)  Diastolic blood pressure A,B

Question 3

Which individual has had their stature expressed in centimetres as opposed to metres?

Accepted Answer

A)  22 
B)  15 
C)  11 
D)  4 
A)  22 
B)  15 
C)  11 
D)  4 A

Question 4

What is the correct expression for the Kolmogorov-Smirnov test for the systolic blood pressure data of the rugby players?

Accepted Answer

A) D(7) = .201, p > .2 B) D(7) = .201, p = .2 C) D(7) = .201, p < .2 D) D(7) = .2, p = .201 A) D(7) = .201, p > .2 B) D(7) = .201, p = .2 C) D(7) = .201, p < .2 D) D(7) = .2, p = .201

Question 5

Sources of bias can be reduced if which of the following assumptions are met?

Accepted Answer

A)  Additvity / linearity 
B)  Data are normally distributed 
C)  Homogeneity of variance 
D)  All of the above 
A)  Additvity / linearity 
B)  Data are normally distributed 
C)  Homogeneity of variance 
D)  All of the above

Question 6

Ignoring the sport played, run a Kolmogorov-Smirnov test on the age variable. What is the correct expression for the result?

Accepted Answer

A)  D(22) = .197, p = .026 
B)  D(22) = .026, p = .197 
C)  D(22) = .086, p > .2 
D)  D(22) = .2, p > .086 
A)  D(22) = .197, p = .026 
B)  D(22) = .026, p = .197 
C)  D(22) = .086, p > .2 
D)  D(22) = .2, p > .086

Question 7

Why does a Shapiro-Wilk test sometimes conclude that the data are not normally distributed (i.e. significant) when a Kolmogorov-Smirnov test is non-significant?

Accepted Answer

A)  The Shapiro-Wilk test is more powerful. 
B)  The Shapiro-Wilk test is less powerful. 
C)  The Shapiro-Wilk test does not work well when there are a large number of cases. 
D)  The Shapiro-Wilk test is a more conservative test. 
A)  The Shapiro-Wilk test is more powerful. 
B)  The Shapiro-Wilk test is less powerful. 
C)  The Shapiro-Wilk test does not work well when there are a large number of cases. 
D)  The Shapiro-Wilk test is a more conservative test.

Question 8

Calculate the z-score for the skewness of the resting heart rate data.

Accepted Answer

A)  -4.6 
B)  +4.6 
C)  -0.6 
D)  +0.6 
A)  -4.6 
B)  +4.6 
C)  -0.6 
D)  +0.6

Question 9

The z-score for the kurtosis or skewness of a data set can be considered significant if it falls between which range?

Accepted Answer

A)  -1.96 and +1.96 
B)  -1.00 and +1.00 
C)  -2.62 and +2.62 
D)  -3.10 and +3.10 
A)  -1.96 and +1.96 
B)  -1.00 and +1.00 
C)  -2.62 and +2.62 
D)  -3.10 and +3.10

Question 10

What assumption can be made regarding the distribution of the age data?

Accepted Answer

A)  They are not normally distributed. 
B)  They are normally distributed. 
C)  It is unclear whether they are normally distributed or not. 
D)  A Shapiro-Wilk test should be run to confirm the result. 
A)  They are not normally distributed. 
B)  They are normally distributed. 
C)  It is unclear whether they are normally distributed or not. 
D)  A Shapiro-Wilk test should be run to confirm the result.

Question 11

What assumption can be made regarding the distribution of the heart rate data?

Accepted Answer

A)  They are not normally distributed. 
B)  They are normally distributed. 
C)  It is unclear whether they are normally distributed or not. 
D)  A Shapiro-Wilk test should be run to confirm the result. 
A)  They are not normally distributed. 
B)  They are normally distributed. 
C)  It is unclear whether they are normally distributed or not. 
D)  A Shapiro-Wilk test should be run to confirm the result.

Question 12

Which of the following equations best reflects a linear model?

Accepted Answer

A)  outcomei = (b1X1) + errori  
B)  outcomei = (b1 errori) * X1 
C)  outcomei = (b1X1) / errori 
D)  outcomei = (b1X1) × errori 
A)  outcomei = (b1X1) + errori  
B)  outcomei = (b1 errori) * X1 
C)  outcomei = (b1X1) / errori 
D)  outcomei = (b1X1) × errori

Question 13

What does Levene's test do?

Accepted Answer

A)  It tests the null hypothesis that the variances in different groups are equal. 
B)  It tests the research hypothesis that the variances in different groups are equal. 
C)  It tests the data to see whether they are normally distributed. 
D)  None of the above. 
A)  It tests the null hypothesis that the variances in different groups are equal. 
B)  It tests the research hypothesis that the variances in different groups are equal. 
C)  It tests the data to see whether they are normally distributed. 
D)  None of the above.

Question 14

What does the central limit theorem state?

Accepted Answer

A)  As sample size increases, the sample distribution better reflects the population distribution. 
B)  As sample size decreases, the sample distribution better reflects the population distribution. 
C)  As population size increases, the population distribution better reflects the sample distribution. 
D)  As population size decreases, the population distribution better reflects the sample distribution. 
A)  As sample size increases, the sample distribution better reflects the population distribution. 
B)  As sample size decreases, the sample distribution better reflects the population distribution. 
C)  As population size increases, the population distribution better reflects the sample distribution. 
D)  As population size decreases, the population distribution better reflects the sample distribution.

Question 15

Which of the following statements best describes bootstrapping?

Accepted Answer

A)  Estimating the properties of the sampling distribution from the sample data. 
B)  Estimating the parameters of the population distribution from the population data. 
C)  Calculating the square root of the sample distribution statistic to predict the population distribution. 
D)  Calculating the log value of the sample distribution statistic to predict the population distribution. 
A)  Estimating the properties of the sampling distribution from the sample data. 
B)  Estimating the parameters of the population distribution from the population data. 
C)  Calculating the square root of the sample distribution statistic to predict the population distribution. 
D)  Calculating the log value of the sample distribution statistic to predict the population distribution.

Question 16

Statistical bias can affect which of the following statistical phenomena?

Accepted Answer

A)  Effect sizes 
B)  Confidence intervals 
C)  p-values 
D)  All of the above 
A)  Effect sizes 
B)  Confidence intervals 
C)  p-values 
D)  All of the above

Question 17

Compare the MAP variance of the three sports using Levene's test. What do the data suggest?

Accepted Answer

A)  The three data sets have equal variance. 
B)  The three data sets have unequal variances. 
C)  The three data sets have nearly equal variance. 
D)  The result is unclear as the samples size of the three groups is too small. 
A)  The three data sets have equal variance. 
B)  The three data sets have unequal variances. 
C)  The three data sets have nearly equal variance. 
D)  The result is unclear as the samples size of the three groups is too small.

Question 18

Which of the following descriptions refers to statistical bias?

Accepted Answer

A)  The error between individual observations and a statistical model 
B)  The degree of similarity between individual observations and a statistical model 
C)  The error between individual observations 
D)  The degree of similarity between statistical models 
A)  The error between individual observations and a statistical model 
B)  The degree of similarity between individual observations and a statistical model 
C)  The error between individual observations 
D)  The degree of similarity between statistical models

Question 19

What does the X in Q1 refer to?

Accepted Answer

A)  Predictor variable 
B)  Dependent variable 
C)  Regression coefficient 
D)  Correlation coefficient 
A)  Predictor variable 
B)  Dependent variable 
C)  Regression coefficient 
D)  Correlation coefficient

Question 20

Which of the following does Hartley's Fmax refer to?

Accepted Answer

A)  Variance ratio 
B)  Distribution of data 
C)  Measure scale used 
D)  Sphericity 
A)  Variance ratio 
B)  Distribution of data 
C)  Measure scale used 
D)  Sphericity

Calculate the z-score for the kurtosis of the resting heart rate data.

Which individual has had their stature expressed in centimetres as opposed to metres?

What is the correct expression for the Kolmogorov-Smirnov test for the systolic blood pressure data of the rugby players?

Sources of bias can be reduced if which of the following assumptions are met?

Ignoring the sport played, run a Kolmogorov-Smirnov test on the age variable. What is the correct expression for the result?

Why does a Shapiro-Wilk test sometimes conclude that the data are not normally distributed (i.e. significant) when a Kolmogorov-Smirnov test is non-significant?

Calculate the z-score for the skewness of the resting heart rate data.

The z-score for the kurtosis or skewness of a data set can be considered significant if it falls between which range?

What assumption can be made regarding the distribution of the age data?

What assumption can be made regarding the distribution of the heart rate data?

Which of the following equations best reflects a linear model?

What does Levene's test do?

What does the central limit theorem state?

Which of the following statements best describes bootstrapping?

Statistical bias can affect which of the following statistical phenomena?

Compare the MAP variance of the three sports using Levene's test. What do the data suggest?

Which of the following descriptions refers to statistical bias?

What does the X in Q1 refer to?

Which of the following does Hartley's F_max refer to?

Why Is My Evil Lecturer Forcing Me to Learn Statistics

The Spine of Statistics

The Phoenix of Statistics

The Ibm Spss Statistics Environment

Exploring Data With Graphs

Non-Parametric Models

Correlation

The Linear Model Regression

Comparing Two Means

Moderation, Mediation and Multicategory Predictors

Glm 1: Comparing Several Independent Means

Glm 2: Comparing Means Adjusted for Other Predictors Analysis of Covariance

Glm 3: Factorial Designs

Glm 4: Repeated-Measures Designs

Glm 5: Mixed Designs

Multivariate Analysis of Variance Manova

Exploratory Factor Analysis

Categorical Outcomes: Chi-Square and Loglinear Analysis

Categorical Outcomes: Logistic Regression

Multilevel Linear Models

Filters

Exam 6: The Beast of Bias

Calculate the z-score for the kurtosis of the resting heart rate data.

Which individual has had their stature expressed in centimetres as opposed to metres?

What is the correct expression for the Kolmogorov-Smirnov test for the systolic blood pressure data of the rugby players?

Sources of bias can be reduced if which of the following assumptions are met?

Ignoring the sport played, run a Kolmogorov-Smirnov test on the age variable. What is the correct expression for the result?

Why does a Shapiro-Wilk test sometimes conclude that the data are not normally distributed (i.e. significant) when a Kolmogorov-Smirnov test is non-significant?

Calculate the z-score for the skewness of the resting heart rate data.

The z-score for the kurtosis or skewness of a data set can be considered significant if it falls between which range?

What assumption can be made regarding the distribution of the age data?

What assumption can be made regarding the distribution of the heart rate data?

Which of the following equations best reflects a linear model?

What does Levene's test do?

What does the central limit theorem state?

Which of the following statements best describes bootstrapping?

Statistical bias can affect which of the following statistical phenomena?

Compare the MAP variance of the three sports using Levene's test. What do the data suggest?

Which of the following descriptions refers to statistical bias?

What does the X in Q1 refer to?

Which of the following does Hartley's Fmax refer to?

Why Is My Evil Lecturer Forcing Me to Learn Statistics

The Spine of Statistics

The Phoenix of Statistics

The Ibm Spss Statistics Environment

Exploring Data With Graphs

Non-Parametric Models

Correlation

The Linear Model Regression

Comparing Two Means

Moderation, Mediation and Multicategory Predictors

Glm 1: Comparing Several Independent Means

Glm 2: Comparing Means Adjusted for Other Predictors Analysis of Covariance

Glm 3: Factorial Designs

Glm 4: Repeated-Measures Designs

Glm 5: Mixed Designs

Multivariate Analysis of Variance Manova

Exploratory Factor Analysis

Categorical Outcomes: Chi-Square and Loglinear Analysis

Categorical Outcomes: Logistic Regression

Multilevel Linear Models

Filters

Which of the following does Hartley's F_max refer to?