National 5 Maths 2023 Paper 1

Front

What is the formula to estimate salary based on years of service?

Back

The formula typically involves a base salary plus an increment for each year of service.

Front

How do you divide mixed numbers?

Back

Convert the mixed number to an improper fraction, then multiply by the reciprocal of the divisor.

Front

What is a rational denominator?

Back

A rational denominator is a denominator that is a rational number, meaning it can be expressed as a fraction of two integers.

Front

How do you find the median of a data set?

Back

Arrange the data in ascending order and find the middle value. If there is an even number of observations, average the two middle values.

Front

What is the interquartile range (IQR)?

Back

The IQR is the difference between the first quartile (Q1) and the third quartile (Q3) in a data set.

Front

What does the point (0, c) represent in a coordinate system?

Back

It represents a point on the y-axis where the x-coordinate is 0 and the y-coordinate is c.

Front

Back

Front

What is the process to rationalize a denominator?

Back

Multiply the numerator and denominator by a suitable value that will eliminate the square root in the denominator.

Front

What is the significance of the median in a data set?

Back

The median provides a measure of central tendency that is not affected by extreme values.

Front

How do you calculate the average of a set of numbers?

Back

Add all the numbers together and divide by the count of numbers.