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0-13 Representing DAta

0-13 Representing DAta. Goal: Use tables and graphs to organize data and answer questions Eligible Content: A1.2.3.2.2. Vocabulary. Data – information, facts or numbers that describe something.

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0-13 Representing DAta

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  1. 0-13 Representing DAta Goal: Use tables and graphs to organize data and answer questions Eligible Content: A1.2.3.2.2

  2. Vocabulary • Data – information, facts or numbers that describe something. • Bar Graph – compares different categories of data by showing each category as a bar whose length is related to the frequency. • Line Graph – a graph used to show how data changes over time.

  3. Using a Table In which 5-year period did the total consumption per person of dairy, fruit and vegetables increase the most? When was there a decrease in total consumption? 1980-1985 1970-1975

  4. Using a Table The data in the table shows the number of endangered species in the US as of 1998. • Which group has the least number of endangered species? • Which group has the greatest number of endangered species? • Suppose the names of the groups are listed in alphabetical order. Would questions 1 and 2 be easier or harder to answer? Arachnids Birds

  5. Bar Graph The bar graph shows the percent of US households subscribing to basic cable TV. • In which year was the percent the greatest? What was the percent? • In what year was the percent the least? What was the percent? 1995, 65% 1980, 22%

  6. Bar Graph The bar graph shows the number of CDs and tapes sold in different years. • From 1991-1996 which type showed an increase? • From 1991-1996 which type showed a decrease? • Between which 2 years was the biggest increase in CDs sales? CDS Tapes 1993-1994

  7. Line Graph The line graph shows the cost of making a movie in different years. • During which 3 years did the average cost decrease from the prior year? • Which year showed the greatest decrease? 1987-1988, 1990-1991, 1995-1996 1995-1996

  8. Practice • Complete worksheet “1.6 Practice A” • 2 examples on overheads

  9. Homework • Worksheet – “0-13 Tables and Graphs”

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