Essential question: What information does a histogram tell me Essential question: What information does a histogram tell me? A Box plot?
Technology changes quickly and yet has a large impact on our lives Technology changes quickly and yet has a large impact on our lives. Recently, Rachel was busy chatting with her friend via text message when her mom was trying to also have a conversation with her. Afterward, they had a discussion about what is an appropriate number of texts to send each day. Since they could not agree, they decided to collect data on the number of texts people send on any given day. They each asked 24 of their friends the following question: “What is the average number of texts you SEND each day?” the data and histogram representing all 48 responses:
Making a Box Plot A box plot contains 5 numbers called the 5 number summary First put all the numbers in order from least to greatest 5 Number Summary Minimum: The lowest number Quartile 1 (25th Percentile): The middle number of the first half Median (50th Percentile): The middle number of the whole list Quartile 3 (75th Percentile): The middle number of the second half Maximum: The highest number Note: If there are two numbers in the middle you average them (add them and divide by two). Now let’s do one 27, 28, 29, 23, 25, 26, 28, 22, 23, 23, 21, 25.