Question 1

Define central tendency. Define and describe the three main measures of central tendency.

Accepted Answer

Central tendency represents how scores i

Question 2

A soccer player who spends less time missing practice has more playing time. This is an example of a positive correlation.

Accepted Answer

A) True 
 B)False

Question 3

You are looking at a graph where the frequency of scores are represented by dots and connected by lines. What kind graph are you looking at?

Accepted Answer

A)  Histogram 
B)  Boxplot 
C)  Frequency polygon 
D)  Contingency table 
A)  Histogram 
B)  Boxplot 
C)  Frequency polygon 
D)  Contingency table

Question 4

What is the null hypothesis? Discuss what is meant by rejecting the null hypothesis and failing to reject the null hypothesis.

Accepted Answer

The null hypothesis is an important part

Question 5

A mesokurtic graph essentially displays a normal distribution.

Accepted Answer

A) True 
 B)False

Question 6

Describe the visual characteristics of a normal distribution. (i.e., what are the key characteristics that define a normal distribution?).

Accepted Answer

If you were to see a normal di

Question 7

You are asked to compare means from three different samples. What kind of statistical analysis would you use?

Accepted Answer

A)  Chi-square test 
B)  Paired t-test 
C)  Correlation and regression 
D)  ANOVA 
A)  Chi-square test 
B)  Paired t-test 
C)  Correlation and regression 
D)  ANOVA

Question 8

Statistics are subjective ways of interpreting observations and help researchers address research questions and problems.

Accepted Answer

A) True 
 B)False

Question 9

Define variability and list three common measures of variability.

Accepted Answer

Variability of the scores is defined as

Question 10

Negatively skewed distributions occur when the highest frequency of scores cluster around the y-axis.

Accepted Answer

A) True 
 B)False

Question 11

Platykurtic scores suggest that scores are equally distributed across the entire distribution.

Accepted Answer

A) True 
 B)False

Question 12

Define modality and mode and roughly sketch a unimodal, bimodal, and trimodal distribution.

Accepted Answer

Modality is a distributional characteris

Question 13

The probability of error in statistics is usually depicted by which of the following?

Accepted Answer

A)  Standard error 
B)  Standard deviation 
C)  p-value 
D)  Variance 
A)  Standard error 
B)  Standard deviation 
C)  p-value 
D)  Variance

Question 14

Briefly describe how variance is calculated from the standard deviation. Why is the variance harder to interpret? How would you interpret both a large and a small standard deviation?

Accepted Answer

Standard deviation (SD) and variance are

Question 15

The range is only calculated from extreme scores.

Accepted Answer

A) True 
 B)False

Question 16

You are comparing three different activity types and whether they affect physical activity levels (low, moderate and vigorous). This type of analysis would require a 3x3 factorial analysis.

Accepted Answer

A) True 
 B)False

Question 17

To reject the null hypothesis, the researcher needs to be confident that the results are not due to random chance or error. What is typically the minimum confidence level?

Accepted Answer

A)  99.9 per cent 
B)  95 per cent 
C)  100 per cent 
D)  99 per cent 
A)  99.9 per cent 
B)  95 per cent 
C)  100 per cent 
D)  99 per cent

Question 18

The standard error of the mean is the nominator in all t-tests.

Accepted Answer

A) True 
 B)False

Question 19

The interquartile range is often visually depicted using a histogram.

Accepted Answer

A) True 
 B)False

Question 20

A dataset contains ordinal data with quite a few outlier values. Which measure of central tendency would you be more inclined to use?

Accepted Answer

A)  Mode 
B)  Mean 
C)  Median 
D)  The median or the mode 
A)  Mode 
B)  Mean 
C)  Median 
D)  The median or the mode

Define central tendency. Define and describe the three main measures of central tendency.

A soccer player who spends less time missing practice has more playing time. This is an example of a positive correlation.

You are looking at a graph where the frequency of scores are represented by dots and connected by lines. What kind graph are you looking at?

What is the null hypothesis? Discuss what is meant by rejecting the null hypothesis and failing to reject the null hypothesis.

A mesokurtic graph essentially displays a normal distribution.

Describe the visual characteristics of a normal distribution. (i.e., what are the key characteristics that define a normal distribution?).

You are asked to compare means from three different samples. What kind of statistical analysis would you use?

Statistics are subjective ways of interpreting observations and help researchers address research questions and problems.

Define variability and list three common measures of variability.

Negatively skewed distributions occur when the highest frequency of scores cluster around the y-axis.

Platykurtic scores suggest that scores are equally distributed across the entire distribution.

Define modality and mode and roughly sketch a unimodal, bimodal, and trimodal distribution.

The probability of error in statistics is usually depicted by which of the following?

Briefly describe how variance is calculated from the standard deviation. Why is the variance harder to interpret? How would you interpret both a large and a small standard deviation?

The range is only calculated from extreme scores.

You are comparing three different activity types and whether they affect physical activity levels (low, moderate and vigorous). This type of analysis would require a 3x3 factorial analysis.

To reject the null hypothesis, the researcher needs to be confident that the results are not due to random chance or error. What is typically the minimum confidence level?

The standard error of the mean is the nominator in all t-tests.

The interquartile range is often visually depicted using a histogram.

A dataset contains ordinal data with quite a few outlier values. Which measure of central tendency would you be more inclined to use?

Introduction to Research in Kinesiology

Identifying a Research Question and Study Purposes

Ethics

Quantitative Study Design

Evaluating the Merits of Quantitative Research Studies in Kinesiology

Qualitative Study Designs

Data Analysis in Qualitative Studies

Evaluating the Merits of Qualitative Research Studies in Kinesiology

Mixed Methods Research

Participatory Action Research

Knowledge Translation

Filters

Exam 5: Data Analysis in Quantitative Studies

Define central tendency. Define and describe the three main measures of central tendency.

A soccer player who spends less time missing practice has more playing time. This is an example of a positive correlation.

You are looking at a graph where the frequency of scores are represented by dots and connected by lines. What kind graph are you looking at?

What is the null hypothesis? Discuss what is meant by rejecting the null hypothesis and failing to reject the null hypothesis.

A mesokurtic graph essentially displays a normal distribution.

Describe the visual characteristics of a normal distribution. (i.e., what are the key characteristics that define a normal distribution?).

You are asked to compare means from three different samples. What kind of statistical analysis would you use?

Statistics are subjective ways of interpreting observations and help researchers address research questions and problems.

Define variability and list three common measures of variability.

Negatively skewed distributions occur when the highest frequency of scores cluster around the y-axis.

Platykurtic scores suggest that scores are equally distributed across the entire distribution.

Define modality and mode and roughly sketch a unimodal, bimodal, and trimodal distribution.

The probability of error in statistics is usually depicted by which of the following?

Briefly describe how variance is calculated from the standard deviation. Why is the variance harder to interpret? How would you interpret both a large and a small standard deviation?

The range is only calculated from extreme scores.

You are comparing three different activity types and whether they affect physical activity levels (low, moderate and vigorous). This type of analysis would require a 3x3 factorial analysis.

To reject the null hypothesis, the researcher needs to be confident that the results are not due to random chance or error. What is typically the minimum confidence level?

The standard error of the mean is the nominator in all t-tests.

The interquartile range is often visually depicted using a histogram.

A dataset contains ordinal data with quite a few outlier values. Which measure of central tendency would you be more inclined to use?

Introduction to Research in Kinesiology

Identifying a Research Question and Study Purposes

Ethics

Quantitative Study Design

Evaluating the Merits of Quantitative Research Studies in Kinesiology

Qualitative Study Designs

Data Analysis in Qualitative Studies

Evaluating the Merits of Qualitative Research Studies in Kinesiology

Mixed Methods Research

Participatory Action Research

Knowledge Translation

Filters