Term 2 Benchmark Review

Front

What does it mean for data to be skewed right?

Back

When data is skewed right, it means that the tail on the right side of the distribution is longer or fatter than the left side. This indicates that there are a few high values that are pulling the mean to the right.

Front

How do you calculate average speed?

Back

Average speed is calculated by dividing the total distance traveled by the total time taken. Formula: Average Speed = Total Distance / Total Time.

Front

What is an outlier in a data set?

Back

An outlier is a data point that differs significantly from other observations in a data set. It can be much higher or lower than the other values.

Front

How does an outlier affect the mean and median?

Back

An outlier can significantly affect the mean, pulling it in the direction of the outlier, while the median is less affected as it is the middle value.

Front

What is the definition of a function in mathematics?

Back

A function is a relation that assigns exactly one output for each input. It can be represented as f(x), where x is the input.

Front

What does the graph of an absolute value function look like?

Back

The graph of an absolute value function is 'V' shaped, opening upwards. It reflects the distance of a number from zero.

Front

What is the formula for an absolute value function?

Back

The general form of an absolute value function is f(x) = |x - h| + k, where (h, k) is the vertex of the 'V'.

Front

What is the mean in statistics?

Back

The mean is the average of a set of numbers, calculated by adding all the values together and dividing by the number of values.

Front

What is the median in statistics?

Back

The median is the middle value in a data set when the numbers are arranged in order. If there is an even number of values, the median is the average of the two middle numbers.

Front

What is the mode in statistics?

Back

The mode is the value that appears most frequently in a data set. A set of data may have one mode, more than one mode, or no mode at all.