1. The variable "religion" is an example of what level of data?

   Nominal

   Ordinal

   Interval

   Ratio

1 points

QUESTION 2

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

   True

   False

1 points

QUESTION 3

1. When calculating a Pearson'scorrelation coefficient, it is necessary that both variables have approximately normal distributions.

   True

   False

1 points

QUESTION 4

1. The variable "Group assignment" is an example of what level of measurement?

   Nominal

   Ordinal

   Interval

   Ratio

1 points

QUESTION 5

1. 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

1 points

QUESTION 6

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

   Inferential

   Quantitative

   Qualitative

   Descriptive

1 points

QUESTION 7

1. Information collected in a numerical form is called:

   Inferential

   Quantitative

   Qualitative

   Descriptive

1 points

QUESTION 8

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

   Ordinal

   Cardinal

   Ratio

   Nominal

1 points

QUESTION 9

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

   Nominal

   Interval

   Ordinal

   Ratio

1 points

QUESTION 10

1. What percent of the children in the study are Hispanic?

   19.0%

   10.2%

   26.7%

   8.7%

1 points

QUESTION 11

1. 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

1 points

QUESTION 12

1. Which measure of central tendency is at the highest point on a graph?

   Mode

   Range

   Median

   Mean

1 points

QUESTION 13

1. 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.

1 points

QUESTION 14

1. Which measure of variability is used most often in conjunction with the mean?

   Variance

   Standard deviation

   Range

   Semi-quartile range

1 points

QUESTION 15

1. Which quartile has the same value as the median?

   25%

   50%

   75%

   25%-50%

1 points

QUESTION 16

1. 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.

1 points

QUESTION 17

1. What is the best description of the distribution below?

   Positively skewed

   Strongly negatively skewed

   Platykurtic

   Leptokurtic

1 points

QUESTION 18

1. The variable "miles per hour" is an example of what level of data:

   Ratio

   Nominal

   Ordinal

   Interval

1 points

QUESTION 19

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

   True

   False

1 points

QUESTION 20

1. 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.