Stats Units 1-4 Mixed Review

Front

What is a stem-and-leaf plot?

Back

A stem-and-leaf plot is a method of displaying quantitative data in a graphical format, similar to a histogram, to retain the original data values while showing their distribution.

Front

What does non-response bias mean?

Back

Non-response bias occurs when individuals selected for a survey do not respond, leading to a sample that may not represent the population.

Front

What is a scatterplot?

Back

A scatterplot is a graph that shows the relationship between two quantitative variables, with one variable plotted along the x-axis and the other along the y-axis.

Front

How do you interpret a scatterplot?

Back

To interpret a scatterplot, look for patterns, trends, and relationships between the variables, such as positive, negative, or no correlation.

Front

What is the sample mean?

Back

The sample mean is the average of a set of values, calculated by adding all the values together and dividing by the number of values.

Front

What is voluntary response bias?

Back

Voluntary response bias occurs when individuals choose to participate in a survey or study, often leading to a sample that is not representative of the population.

Front

What is response bias?

Back

Response bias is a tendency of respondents to answer questions inaccurately or falsely, often due to the wording of questions or social pressure.

Front

What is undercoverage in sampling?

Back

Undercoverage occurs when some members of the population are inadequately represented in the sample, leading to biased results.

Front

What does a linear relationship in a scatterplot indicate?

Back

A linear relationship in a scatterplot indicates that as one variable increases or decreases, the other variable tends to increase or decrease in a consistent manner.

Front

How can you find the approximate score on a final exam based on absences?

Back

You can use a scatterplot to estimate the score by locating the number of absences on the x-axis and finding the corresponding score on the y-axis.