Math 7 EXT Weekly Flashcardizz #12 2024-25

Front

What is the definition of a fraction?

Back

A fraction represents a part of a whole and is expressed as a ratio of two integers, where the numerator is the part and the denominator is the whole.

Front

How do you order fractions from least to greatest?

Back

To order fractions from least to greatest, convert them to a common denominator or compare their decimal equivalents.

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

What is the interquartile range (IQR)?

Back

The interquartile range (IQR) is the difference between the upper quartile (Q3) and the lower quartile (Q1) in a data set, representing the range of the middle 50% of the data.

Front

How do you find the lower quartile (Q1)?

Back

The lower quartile (Q1) is the median of the lower half of a data set, excluding the median if the number of observations is odd.

Front

What is a boxplot?

Back

A boxplot is a graphical representation of a data set that displays the minimum, first quartile, median, third quartile, and maximum.

Front

How do you represent a rational number on a number line?

Back

To represent a rational number on a number line, locate the position that corresponds to the value of the fraction or decimal.

Front

What is the difference between a proper fraction and an improper fraction?

Back

A proper fraction has a numerator that is less than the denominator, while an improper fraction has a numerator that is greater than or equal to the denominator.

Front

What is the significance of the median in statistics?

Back

The median is significant because it provides a measure of central tendency that is not affected by extreme values (outliers) in a data set.

Front

How do you calculate the mean of a data set?

Back

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