Data Handling

If you are asked to represent the number $8$ using tally marks, how many single vertical lines will be outside the bundle of five?

In a pictograph, symbols must be of ____ size.

If $1 \text{ unit} = 50 \text{ students}$ on the $y$-axis, what height represents $225$ students?

In the data $\{1, 1, 2, 2, 3, 3, 3\}$, which number has a frequency of $2$?

If the frequency of score '10' is 5 and score '12' is 3, what is the total tally count for these two scores?

In a pictograph representing the number of toys, if $1$ doll symbol $= 8$ dolls, how many symbols are used to show $56$ dolls?

The height of bars in a bar graph is proportional to the:

If the frequency of $x$ is $k$, and the frequency of $y$ is $k+5$, and the total frequency of $x$ and $y$ is $25$, what is the frequency of $y$?

A bar graph shows sales: Monday $₹500$, Tuesday $₹750$, Wednesday $₹600$. If the scale is $1$ unit $= ₹50$, what is the total length of the bars for all three days?

In a data set: $7, 8, 7, 9, 10, 8, 7, 10, 9, 7$. What is the sum of the frequencies of $7$ and $10$?

A student draws a pictograph of flowers. Each flower symbol represents $6$ flowers. If she draws $4$ symbols for Roses, how many Roses are there?

If one bulb symbol represents $100$ bulbs produced in a factory, how many bulbs do $3.5$ symbols represent?

In a pictograph showing the number of pens sold, $1$ pen symbol $= 5$ pens. How many symbols are needed for $25$ pens?

Look at the diagram showing ice cream sales. If one cone represents $2$ ice creams, what is the difference between Monday and Tuesday sales?

A library has $500$ History books and $350$ Science books. In a pictograph, $1$ book symbol represents $50$ books. How many symbols in total are used for History and Science?

If $1$ box symbol represents $24$ pencils, what is the value of $2$ full boxes and $1$ quarter-box (representing $6$ pencils)?

Based on the pictograph below, how many more students prefer Mango than Orange if one fruit icon $= 5$ students?

The total number of students in 5 classes is 200. A pictograph is drawn with 1 star = 10 students. If Class 1, 2, 3, and 4 are represented by 3, 5, 4, and 4 stars respectively, how many stars represent Class 5?

A mobile company tracks sales using a pictograph where 1 phone symbol = 1000 units. In March, they sold 4500 units. In April, sales increased by 50% compared to March. How many symbols are needed for April?

A baker sells loaves of bread. 1 loaf symbol = 12 loaves. If the pictograph shows 5.5 symbols for Monday and 4.25 symbols for Tuesday (using a quarter loaf for 3), how many more loaves were sold on Monday than Tuesday?

What is the name given to a horizontal or vertical line used to measure data in a bar graph?

If the height of a bar is $8$ units and the scale is $1$ unit $= 20$ kg, find the weight represented.

In a bar graph, the space between any two consecutive bars must be:

Which student scored the lowest marks according to the graph?

A bar graph shows wheat production. In $2020$ it was $50$ tons and in $2021$ it was $80$ tons. What is the increase in production?

In a bar graph representing mobile phone sales, if the sales of Brand X ($500$) is double that of Brand Y, what is the height of the bar for Brand Y if the scale is $1$ unit $= 50$ phones?

Looking at the savings of four friends, how much more did 'D' save compared to 'A' and 'B' combined? (A: $20$, B: $30$, C: $40$, D: $100$)

The revenue of a shop over 4 quarters is shown. If the target revenue for the year was Rs 200,000 and 1 unit on the graph equals Rs 5,000, by how much did the shop miss its target?

In a marathon, runners from different age groups participated. If group '40-50' has 20 runners (4 units), and the total number of runners is 120, what is the combined height of the bars for the 'Under 20' and '30-40' groups in units?

A student spent time studying different subjects. The graph shows the hours (1 unit = 1 hour). If the student wants the total study time for Math and Science to be exactly $60\%$ of the total study time across all four subjects, how many additional hours must be spent on Science?