Fall Semester Final 2024 9th

Front

What is the median of 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 calculate the circumference of a circle?

Back

The circumference (C) of a circle can be calculated using the formula C = 2πr, where r is the radius of the circle.

Front

What is the formula for the area of a circle?

Back

The area (A) of a circle is given by the formula A = πr², where r is the radius.

Front

What is population density?

Back

Population density is the number of people living per unit of area, typically expressed as people per square kilometer or square mile.

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Back

Front

What is the capital of France?

Back

The capital of France is Paris.

Front

What is the definition of a median in statistics?

Back

In statistics, the median is the value separating the higher half from the lower half of a data sample.

Front

What is the formula for the area of a triangle?

Back

The area (A) of a triangle can be calculated using the formula A = 1/2 * base * height.

Front

What is the relationship between radius and diameter?

Back

The diameter (d) of a circle is twice the radius (r), expressed as d = 2r.

Front

How do you find the mean of a data set?

Back

The mean is calculated by adding all the numbers in the data set and dividing by the total number of values.