The histogram below displays the population density, in people per km, of the 27 countries in the European Union in 2021. The histogram has a logarithmic (base 10) scale.
 

 
Part 1

The median value occurs in a column with a frequency of

1. 2
2. 3
3. 6
4. 9

 
Part 2

There is one outlier at the upper end of the histogram. This value could be

1. 330
2. 1330
3. 2030
4. 2730

The histogram below displays the distribution of spleen weight for a sample of 32 seals.

The histogram has a scale.
 

The number of seals in this sample with a spleen weight of 1000 g or more is

1. 7
2. 8
3. 17
4. 25
5. 27

The histogram below displays the distribution of prices, in dollars, of the cars for sale in a used-car yard.

The histogram has a logarithm (base 10) scale.
 

Six of the cars in the yard have the following prices:

How many of the six car prices listed above are in the modal class interval?

1. 1
2. 2
3. 3
4. 4
5. 6

The histogram below shows the distribution of weight, in grams, for a sample of 20 animal species. The histogram has been plotted on a scale.
 

The percentage of these animal species with a weight of less than 10 000 g is

1. 17%
2. 70%
3. 75%
4. 80%
5. 85%