Data Visualization and Representation

Circle the word that completes this sentence correctly. This diagram shows data with a negative __________ .

The table shows the number of flowers in Antonio's most recent display. Represent the data in a pictogram. Key: [Symbol] represents 4 flowers

The tally chart shows the number of flowers in a different display. Antonio says there are exactly twice as many roses as daisies. Is he correct? Tick a box. Show your working.

The data show donations to a charity shop and the number of shoppers visiting the shop for each of 12 months in 2019. Jorja uses the data to draw the statistical diagram shown. Complete the diagram by inserting the three things that are currently missing.

Danni records the number of bedrooms and the number of televisions in 11 houses. She has these data that she needs to show as a graph or chart. Which single graph or chart would be best to represent the data? choose your answer.

A map uses different shades of colour to show the population density in different regions of a country. What is the name of this type of map?

In fact, Sol had misread the Honduras value and it should have been 22.8. Use this value and the table to complete the bar chart for the data. You will need to complete the labels for the axes.

Look at **Table 1** in the Data Sheet. Use the grid provided to draw a **percentage composite bar chart** for the two years 2008 and 2018. Show any calculations you make.

The pie chart shows information about the source of UK food in 2007. Write down **two** criticisms of the diagram.

Luton is an industrial town. The population pyramid shows the number of males living in Luton in 1851. The population values are rounded to the nearest hundred. The table shows the number of females living in Luton in 1851. Complete the population pyramid to show the number of females living in Luton in 1851.

Which of these diagrams could be suitable for displaying raw discrete data?

The graph shows the values for Downloads and some of the values for Streaming. Use the values for Streaming from the table to complete the graph.

A vet keeps records of the mass and height of each animal he has registered. The table shows the masses and heights of 9 adult dogs which are of the Vizsla breed. The scatter graph shows the information for the first 6 dogs. Complete the diagram, plotting the points for the last 3 dogs.

Use the values from part 6(b) to help you draw a line of best fit on the diagram.

100 students go to London for a weekend on a school trip. On one afternoon, students can choose to go to a theatre (T) or visit a museum (M) or do neither. - 16 chose to do neither. - Three times as many chose the theatre as chose the museum. Complete the Venn diagram.

Sanders draws this choropleth map to represent the number of chickens in each square. Write down three errors that Sanders has made.

On the grid draw a cumulative frequency diagram for the data.

The cumulative frequency diagram below shows information about a sample of 100 trees in a large field. The shortest tree in the field is 1 m in height. The tallest tree in the field is 27 m in height. Use this information and the cumulative frequency diagram to complete a box plot for the trees in the field.

The Department of Transport produced this graph about HS2 in 2016 showing how journey times might change when HS2 is complete. Write down the name of this type of diagram.

The scatter diagram shows the results for 25 customers Rachel sampled. Which of these is a possible equation for a regression line for the data shown? y = -0.06 + 0.689x y = -0.06 + 0.023x y = 4.8 - 0.689x y = 4.8 - 0.023x

Here is some information about the results sampled for later in the day. - After 12.30pm but before 1.30pm all five customers sampled waited between 4 and 5 minutes. - From 1.30pm, the six results showed a strong negative correlation. Describe the correlation shown by each of these two new sets of data.

The tech company wants to change the reward system so that the median number of rewards is increased and the interquartile range is increased. They make some changes and take a new sample of 500 customers. The cumulative frequency graph for the new data is shown. Use the graph to find the median and interquartile range for the new sample.

The box plots for the two samples are shown on the same grid. Use the box plots to compare the two samples. Make two comparisons.

The graph shows the average adult BMI over recent years. A healthy BMI is considered to be between 18.5 and 24.9. Make two distinct comments about the graph.

The Department of Transport produced this graph about HS2 in 2016 showing how journey times might change when HS2 is complete. Write down the name of this type of diagram.

Sunspots are dark marks on the sun's surface which can affect things on Earth such as radio signals. The number of sunspots recorded monthly from 1965 – 2020 is shown in the time series graph below. Estimate the year when the most sunspots were recorded for 1965 – 2020 and work out an estimate for the number of sunspots in that year.

Describe one feature of the data.