Grading Summary
Date Taken: 5/9/2015
Time Spent: 17 min, 31 secs
Points Received: 15 / 20 (75%)

Question 1. Question:
The variable “religion” is an
example of what level of data?

Nominal
Ordinal
Interval
Ratio

Question 2. Question:
Correlation coefficient tests allow you to
determine if a cause and effect relationship is present.

True False

Question 3. Question:
When calculating a Pearson’s fdsf3q43
correlation coefficient, it is necessary that both variables have approximately
normal distributions.

True False

Question 4. Question:
The variable “Group assignment”
is an example of what level of measurement?

Nominal
Ordinal
Interval
Ratio

Question 5. Question:
In a study that examines the effect of a
peer mentor on the emotional status of patients, what is the dependent
variable?

Peer mentoring
Emotional status
Patients
There is no dependent variable

Question 6. Question:
Statistics that allow for inferences to be
made about a population from the study of a sample are known as:

Inferential
Quantitative
Qualitative
Descriptive

Question 7. Question:
Information collected in a numerical form
is called:

Inferential
Quantitative
Qualitative
Descriptive

Question 8. Question:
A variable with equal distances between
score units which also has a true meaningful zero is:

Ordinal
Cardinal
Ratio
Nominal

Question 9. Question:
Data that are categorical but can be
rank-ordered in a meaningful way are called:

Nominal
Interval
Ordinal
Ratio

Question 10. Question:
What percent of the children in the study
are Hispanic?

19.0%
10.2%
26.7%
8.7%

Question 11. Question:
The measure of central tendency that is the
point at which half the scores fall above and half the scores fall below is
the:

Mode
Range
Median
Mean

Question 12. Question:
Which measure of central tendency is at the
highest point on a graph?

Mode
Range
Median
Mean

Question 13. Question:
If the mean is to the left of the median,
what is true?

The distribution is platykurtic.
The distribution
is positively skewed.
The distribution is normally distributed.
The distribution is negatively skewed.

Question 14. Question:
Which measure of variability is used most
often in conjunction with the mean?

Variance
Standard deviation
Range
Semi-quartile range

Question 15. Question:
Which quartile has the same value as the
median?

25%
50%
75%
25%-50%

Question 16. Question:
The standard deviation is:

The difference between the 3rd and 1st
quartile.
The squared deviations from the mean.
The difference
between the highest and lowest scores.
The square root of the variance.

Question 17. Question:
What is the best description of the distribution
below?

Positively skewed
Strongly negatively skewed
Platykurtic
Leptokurtic

Question 18. Question:
The variable “miles per hour” is
an example of what level of data:

Ratio
Nominal
Ordinal
Interval

Question 19. Question:
The mean and the mode are always the same
for a dataset of over 10 values.

True False

Question 20. Question:
The third quartile is:

the point below which one third of the scores
lie.
the point below which 75% of the scores lie.
the point below which 33% of the scores lie.
the point above which 75% of the scores lie.

*
Times are displayed in (GMT-07:00) Mountain Time (US & Canada)Grading SummaryDate Taken: 5/9/2015Time Spent: 17 min, 31 secsPoints Received: 15 / 20 (75%)Question 1. Question: The variable “religion” is an
example of what level of data? Nominal Ordinal Interval Ratio Question 2. Question: Correlation coefficient tests allow you to
determine if a cause and effect relationship is present. True False Question 3. Question: When calculating a Pearson’s fdsf3q43
correlation coefficient, it is necessary that both variables have approximately
normal distributions. True False Question 4. Question: The variable “Group assignment”
is an example of what level of measurement? Nominal Ordinal Interval Ratio Question 5. Question: In a study that examines the effect of a
peer mentor on the emotional status of patients, what is the dependent
variable? Peer mentoring Emotional status Patients There is no dependent variable Question 6. Question: Statistics that allow for inferences to be
made about a population from the study of a sample are known as: Inferential Quantitative Qualitative Descriptive Question 7. Question: Information collected in a numerical form
is called: Inferential Quantitative Qualitative Descriptive Question 8. Question: A variable with equal distances between
score units which also has a true meaningful zero is: Ordinal Cardinal Ratio Nominal Question 9. Question: Data that are categorical but can be
rank-ordered in a meaningful way are called: Nominal Interval Ordinal Ratio Question 10. Question: What percent of the children in the study
are Hispanic? 19.0% 10.2% 26.7% 8.7% Question 11. Question: The measure of central tendency that is the
point at which half the scores fall above and half the scores fall below is
the: Mode Range Median Mean Question 12. Question: Which measure of central tendency is at the
highest point on a graph? Mode Range Median Mean Question 13. Question: If the mean is to the left of the median,
what is true? The distribution is platykurtic. The distribution
is positively skewed. The distribution is normally distributed. The distribution is negatively skewed. Question 14. Question: Which measure of variability is used most
often in conjunction with the mean? Variance Standard deviation Range Semi-quartile range Question 15. Question: Which quartile has the same value as the
median? 25% 50% 75% 25%-50% Question 16. Question: The standard deviation is: The difference between the 3rd and 1st
quartile. The squared deviations from the mean. The difference
between the highest and lowest scores. The square root of the variance. Question 17. Question: What is the best description of the distribution
below? Positively skewed Strongly negatively skewed Platykurtic Leptokurtic Question 18. Question: The variable “miles per hour” is
an example of what level of data: Ratio Nominal Ordinal Interval Question 19. Question: The mean and the mode are always the same
for a dataset of over 10 values. True False Question 20. Question: The third quartile is: the point below which one third of the scores
lie. the point below which 75% of the scores lie. the point below which 33% of the scores lie. the point above which 75% of the scores lie. *
Times are displayed in (GMT-07:00) Mountain Time (US & Canada)