TEKS 7.6G & 7.12A,C

Front

What is the interquartile range (IQR)?

Back

The interquartile range (IQR) is a measure of statistical dispersion, calculated as the difference between the third quartile (Q3) and the first quartile (Q1) in a data set.

Front

How do you find the median of a data set?

Back

To find the median, arrange the numbers in order from least to greatest and identify the middle number. If there is an even number of observations, the median is the average of the two middle numbers.

Front

What does it mean if a city has a higher median temperature?

Back

A higher median temperature indicates that, on average, the temperatures in that city are warmer compared to another city with a lower median.

Front

What is a sample in statistics?

Back

A sample is a subset of a population used to represent the entire group in statistical analysis.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities (e.g., colors, preferences), while quantitative data represents numerical values (e.g., counts, measurements).

Front

How do you interpret a bar graph?

Back

A bar graph displays data with rectangular bars representing different categories. The height or length of each bar indicates the value or frequency of that category.

Front

What is the mode of a data set?

Back

The mode is the value that appears most frequently in a data set.

Front

What does it mean to make an inference from data?

Back

Making an inference involves drawing conclusions or making predictions based on the analysis of data.

Front

How do you calculate the mean of a data set?

Back

To calculate the mean, add all the numbers in the data set and divide by the total number of values.

Front

What is a quartile in statistics?

Back

A quartile is a type of quantile that divides a data set into four equal parts, with Q1 being the first quartile, Q2 the median, and Q3 the third quartile.