Page 27 - CT_AI_Class-4
P. 27
Amazon Echo is a smart speaker made by Amazon that
uses Alexa to respond to voice commands. It can play
music, answer questions, set alarms and give weather
updates. It helps users do everyday tasks easily just by
ai lens speaking.
QUESTIONNAIRES
Questionnaires are important tools used to collect information, opinions and
feedback. The quality and usefulness of the responses depend on how the questions
are framed. A well-designed questionnaire helps in obtaining clear and accurate
information. It also ensures that the data collected is relevant and easy to analyse.
Questionnaires can be used in surveys, research and decision-making processes.
Types of Questionnaires
Depending on the purpose and the type of information required, different types of
questionnaires are used.
Exploring Data in Our World 25
