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    1 – Very Unsatisfied              2 – Unsatisfied

                        3 – Neutral                       4 – Satisfied

                        5 – Very Satisfied

                       Picture-Based  Questionnaire: This type  uses  images  or symbols  along  with
                        questions to make them more engaging and easier to understand.

                        Example:

                        How do you usually travel?

                        ☐   Walk          ☐ Bicycle             ☐ Bus                ☐ Car

                       Fill-in-the-blank questionnaire: The person answering provides a short, specific
                        response to complete a statement or question.

                        Example:

                        Your favourite hobby is                     .

                                                                                                     21 st
                                                                                                    Century   #Critical Thinking
                                                                                                     Skills
                                                               RIYA’S CANTEEN STORY
                                  Riya studies in a school where the canteen sells snacks every day. The canteen
                               head wanted to know which food items students like the most. So, she started
                         collecting data.

                      She wrote down the number of items sold each day:

                      Monday: 20 samosas, 15 sandwiches, 10 juices
                      Tuesday: 25 samosas, 10 sandwiches, 12 juices

                      Wednesday: 30 samosas, 12 sandwiches, 15 juices
                      These numbers are data because they are just facts.

                      Then, the teacher studied this data and found that samosas were sold the most every day.
                      This is called information because it helps us understand something useful.

                      Now, the canteen started making more samosas every day. Students were happier because
                      their favourite food was always available.

                      Based on the above case, answer the following questions:

                      1.  What information did the teacher find from the data?

                      2.   How did the information help the canteen?

                                                                                        Exploring Data in Our World    27

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