Basic Stats in Psychology Quiz

In psychology, what type of data helps identify trends, averages, and differences between individuals or groups of participants?

• Qualitative data

• Nominal data

• Quantitative data

• Ordinal data

What type of data is used to describe the differences in the kind or quality of behavior in psychology?

• Quantitative data

• Nominal data

• Ordinal data

• Qualitative data

What type of statistics includes making predictions?

• Descriptive Statistics

• Inferential Statistics

• Analytical Statistics

• Predictive Statistics

What is the main purpose of a pie chart?

• To display trends over time

• To show the relationship between two variables

• To display nominal or categorical data as percentages and proportions

• To compare different categories of data

What does a high standard deviation indicate about the data?

• There is a large variance between the data and the statistical average, and it is not as reliable.

• The data is very closely related to the average, thus very reliable.

• The data is skewed.

• The data is normally distributed.

What are the characteristics of a normal distribution curve?

• Mean, median, and mode are all the same or close.

• Mean, median, and mode are all different.

• The curve is skewed.

• The curve is linear.

What percentage of scores lie within two standard deviations of the mean in a normal distribution?

• 95.44%

• 68.26%

• 99.72%

• 50%

In a positively skewed distribution, the tail of the graph falls to which side?

• Right

• Left

• Center

• Both sides

Which of the following best describes a bimodal distribution?

• A distribution with one peak

• A distribution with two peaks

• A distribution with no peaks

• A distribution with three peaks

What is the primary use of percentiles in reporting test scores?

• To determine the mean score

• To compare individual scores to the rest of the distribution

• To find the mode of the distribution

• To calculate the standard deviation