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# Worksheet: Introduction to Different Representations of Data

Q1:

The graph shows the number of births at a hospital from 2003 to 2007. How many more births were there in 2007 than 2005?

Q2:

The graph shows the number of visitors to three museums in 2005 and 2006. Calculate the difference in number of visitors the National museum had between the two years.

Q3:

The graph shows the number of cows, buffaloes, sheep, and goats in a country from the year 2000 to the year 2003. How many cows were there in 2000?

Q4:

The graph shows a studentâ€™s journey time to school on each day of one week. How much longer did it take the student to walk on Thursday than Sunday?

Q5:

The pie chart shows the results of a survey of what fruits students prefer. Given that 30 students completed the survey, how many students prefer peaches?

Q6:

A group of 100 people were asked about their favorite sandwiches. The pie chart shows their responses. What percent of the people chose either Cold Cuts or Egg Salad?

Q7:

Calculate the central angle of the section which shows the percentage of Italian tourists who visited a country in 2005.

• A
• B
• C
• D

Q8:

A pie chart will be used to show the number of tourists, in thousands, who visited a country in 2005. The table shows the number of tourists, but the angle of each sector of the pie chart is missing. What is the exact angle of the sector representing the French tourists?

Nationality Total Number of Tourists 2â€‰000 American Egyptian Italian French 800 280 760 160
• A
• B
• C
• D
• E

Q9:

Mrs. Adam recorded how many books each student read last month. What percent of the students read less than 9 books? Round the answer to the nearest whole percent.

Q10:

Mrs. Bob recorded how many books each student read last month. What percent of the students read less than 7 books? Round the answer to the nearest whole percent.

Q11:

The line graph shows the ages of 100 people. Which age has the fewest number of people?

Q12:

The line graph shows the marks 120 students received in a mathematics test. How many students received less than 40 marks?

Q13:

This histogram shows the time that students spend doing homework every night. How many students spend seventy-five minutes or less doing homework?

Q14:

These histograms compare the heights of tall buildings in two cities. For each city, state the minimum height of the buildings surveyed.