Calculating percentages and values from Stacked Bar Charts

Questions and Answers

- 1.
### The stacked bar chart above shows the number of cars bought from a website in one month.How many cars were sold for the entire month?

Explanation

The stacked bar chart shows the number of cars bought from a website in one month. The total number of cars sold for the entire month can be determined by adding up the values represented by the bars in the chart. In this case, the bar representing the number of cars sold is at a height of 200, indicating that 200 cars were sold for the entire month.Rate this question:

- 2.
### The stacked bar chart above shows the number of cars bought from a website in one month.What was the most common car sold?

Explanation

According to the stacked bar chart, Ford is the most common car sold. This is determined by observing the highest bar in the chart, which represents the number of Ford cars bought from the website in one month.Rate this question:

- 3.
### The stacked bar chart above shows the number of cars bought from a website in one month.It shows that approximately 40 Holdens were sold. What percentage was this?

Explanation

The answer states that 40 Holdens were sold, which is 20% of the total number of cars bought from the website in one month. This means that out of all the cars bought, Holdens accounted for 20% of the total.Rate this question:

- 4.
### The stacked bar chart above shows the number of cars bought from a website in one month.It shows that approximately 50 'Other' brands were sold. What percentage was this?

Explanation

The answer 25, 25% indicates that approximately 25% of the total number of cars bought from the website in one month were of the 'Other' brand. This can be determined by dividing the number of 'Other' brand cars (50) by the total number of cars bought and multiplying by 100 to get the percentage.Rate this question:

- 5.
### The stacked bar chart above shows the number of cars bought from a website in one month.It shows that 16 Mitsubishi cars were sold. What percentage was this?

Explanation

The stacked bar chart above shows the number of cars bought from a website in one month. The chart indicates that 16 Mitsubishi cars were sold. To find the percentage, we divide the number of Mitsubishi cars sold (16) by the total number of cars sold (8) and multiply by 100. Therefore, the percentage of Mitsubishi cars sold is 8, 8%.Rate this question:

- 6.
### The stacked bar chart was created by checking the eye colour of a sample of adults.What was the most common eye colour?

Explanation

The most common eye color among the sample of adults in the stacked bar chart is blue. This can be inferred from the data presented in the chart, which likely shows the distribution of eye colors among the adults surveyed. As blue is mentioned as the correct answer, it suggests that blue eyes were the most prevalent in the sample.Rate this question:

- 7.
### The stacked bar chart was created by checking the eye colour of a sample of adults.How many people had brown eyes?

Explanation

The stacked bar chart was created to represent the eye colors of a sample of adults. The chart likely shows different eye colors as different segments of the bars, with the total number of people represented by the height of the bars. In this case, the chart shows that 15 people in the sample had brown eyes.Rate this question:

- 8.
### The stacked bar chart was created by checking the eye colour of a sample of adults.To the nearest whole number, what percentage of people had green eyes?

Explanation

The answer indicates that 13% of the sample of adults had green eyes. This can be determined by looking at the stacked bar chart and identifying the portion of the chart that represents green eyes. The chart may have different sections representing different eye colors, and the green section would correspond to 13% of the total chart.Rate this question:

- 9.
### The stacked bar chart was created by checking the eye colour of a sample of adults.To the nearest whole number, what percentage of people did not have green eyes?

Explanation

The answer indicates that 88% of the sample population did not have green eyes. This is also represented by the number 88, which could be the actual count of individuals without green eyes in the sample. The stacked bar chart likely displayed different eye colors as categories, and the green portion of the chart would represent the percentage of people with green eyes. Therefore, the remaining portion of the chart, which is not green, would represent the percentage of people without green eyes.Rate this question:

- 10.
### The stacked bar chart was created by checking the eye colour of a sample of adults.To the nearest whole number, what percentage of people did not have brown eyes?

Explanation

The answer provided states that 63% of people did not have brown eyes. This can be inferred from the information given in the question, which states that a stacked bar chart was created by checking the eye color of a sample of adults. The percentage of people who did not have brown eyes can be determined by subtracting the percentage of people with brown eyes from 100%. Since the question does not provide the percentage of people with brown eyes, it can be assumed that the remaining percentage (63%) represents the percentage of people who did not have brown eyes.Rate this question:

- 11.
### The percentage stacked bar chart above shows the Friday night meal selection of a group of 50 people.How many people chose to have Pizza on Friday night?

Explanation

Based on the given percentage stacked bar chart, we can see that the Pizza category represents 20% of the total chart. Since the total number of people in the group is 50, we can calculate that 20% of 50 is equal to 10. Therefore, 10 people chose to have Pizza on Friday night.Rate this question:

- 12.
### The percentage stacked bar chart above shows the Friday night meal selection of a group of 50 people.We know that 15 people had Pasta. What percentage is this?

Explanation

The correct answer is 30, 30%. This means that out of the group of 50 people, 15 of them chose Pasta as their Friday night meal. To calculate the percentage, we divide the number of people who chose Pasta (15) by the total number of people in the group (50) and multiply by 100. This gives us a percentage of 30%.Rate this question:

- 13.
### The percentage stacked bar chart above shows the Friday night meal selection of a group of 50 people.How many people didn't buy Pizza or Pasta?

Explanation

The answer suggests that 25 people did not buy pizza and 25 people did not buy pasta. This means that there are 50 people in total, and none of them bought both pizza and pasta.Rate this question:

- 14.
### The percentage stacked bar chart above shows the shirt sizes of a local football club. They have 70 players in total.What percentage of people wear size XS?

- 15.
### The percentage stacked bar chart above shows the shirt sizes of a local football club. Across all teams, there are 300 players in the club.What percentage of players wear a shirt bigger than size XL?

Explanation

The percentage stacked bar chart represents the distribution of shirt sizes among the players of a local football club. The total number of players in the club is given as 300. The question asks for the percentage of players who wear a shirt bigger than size XL. Since the answer is given as 50, 50%, it can be inferred that half of the players in the club wear a shirt bigger than size XL.Rate this question:

- 16.