Set 7 Data & Statistics Summative Review 2024-25

Front

What is the definition of 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 definition of Median in statistics?

Back

The Median is the middle value in a set of numbers when they are arranged in ascending or descending order.

Front

What is the definition of Mode in statistics?

Back

The Mode is the value that appears most frequently in a data set.

Front

What is the definition of Range in statistics?

Back

The Range is the difference between the highest and lowest values in a data set.

Front

What is Standard Deviation?

Back

Standard Deviation is a measure of the amount of variation or dispersion in a set of values.

Front

What type of data is represented by the average amount of money spent?

Back

Quantitative data.

Front

Is age considered Qualitative or Quantitative data?

Back

Quantitative data.

Front

If a student scores 90 and 84 on two quizzes, what is the formula to find the score needed on the third quiz to achieve an average of 85?

Back

(90 + 84 + x) / 3 = 85, where x is the score on the third quiz.

Front

What is the lowest score needed on the third quiz if the first two scores are 90 and 84 to achieve an average of 85?

Back

81.

Front

How do you find the Mode of a data set?

Back

Identify the number that appears most frequently in the set.