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). It represents the range of the middle 50% of the data.

Front

How do you find the interquartile range for a set of data?

Back

To find the interquartile range, first order the data from least to greatest, then identify Q1 (the median of the lower half) and Q3 (the median of the upper half). Subtract Q1 from Q3.

Front

What does it mean if a city has a smaller minimum temperature?

Back

A smaller minimum temperature indicates that the city experiences colder weather conditions compared to other cities.

Front

What is the median in a data set?

Back

The median is the middle value of a data set when it is ordered from least to greatest. If there is an even number of observations, the median is the average of the two middle numbers.

Front

How do you determine which group has a higher median?

Back

To determine which group has a higher median, calculate the median for each group and compare the two values.

Front

What is the spread of a data set?

Back

The spread of a data set refers to how much the data values vary. It can be measured using range, interquartile range, or standard deviation.

Front

What does it mean if a club has a smaller spread?

Back

A smaller spread indicates that the data values in that club are closer together, showing less variability in the data.

Front

What is a random sample?

Back

A random sample is a subset of individuals chosen from a larger population, where each individual has an equal chance of being selected.

Front

What is an inference in statistics?

Back

An inference is a conclusion drawn from data analysis, often used to make predictions or generalizations about a larger population.

Front

What does it mean to prefer one option over another in survey data?

Back

To prefer one option over another means that a greater number of respondents chose that option as their favorite or most liked.