Worksheets2.13 Showing Data Summaries
Total questions: 10
Worksheet time: 5mins
What is the purpose of showing data summaries in statistics?
To make data more complex
To simplify and organise data
To increase the amount of data
To confuse the reader
Which of the following is a common method for summarising data?
Pie chart
Long paragraphs
Random numbers
Unstructured text
What is the median in a data set?
The most frequently occurring value
The middle value when data is ordered
The sum of all values
The smallest value
If a data set has the values 3, 7, 7, 2, 9, what is the mode?
3
7
2
9
What does the range of a data set represent?
The average of the data
The difference between the highest and lowest values
The sum of all data points
The number of data points
Which of the following is a measure of central tendency?
Range
Variance
Mean
Standard deviation
If the mean of a data set is 10 and the sum of all data points is 50, how many data points are there?
4
5
6
7
What is the purpose of a histogram?
To display data in a tabular form
To show the distribution of data
To list data points
To calculate the mean
Which of the following is not a graphical representation of data?
Bar chart
Line graph
Scatter plot
Paragraph
If a data set is skewed to the right, which of the following is true?
The mean is less than the median
The mean is greater than the median
The mean is equal to the median
The mode is greater than the mean
