Analyzing Your Data

From your data investigation over the past week, you learned a lot about the Blanding’s turtles as well as about the air and water temperatures over a two-year period down at the river.  It’s time to electronically share your observations.  From page 20 and 21 of your math book, you should:

1.  Write three things that you learned from your data.

2.  Now that you learned a lot more about turtles and the river than you knew before last week, what else would you like to learn about your topic.

Make sure you proofread your post for spelling, capitalization, punctuation, and grammar mistakes.  Also, make sure you post under this section.


21 responses to this post.

  1. Posted by ec11 on September 27, 2010 at 8:12 pm

    1. I learned that the heaviest hatchling was 10.9 grams.

    2. I also learned that the least heaviest hatchling was 6.1 grams.

    3. Also, 334 had 4 babies in 2010 and 9 in 2008.

    i would like to find out if 334 had any babies before 2008 to find out how many ( if any) and what they weighed.


  2. Posted by EC-8 on September 27, 2010 at 8:36 pm

    1. We learned that 104 ate 49 pellets.

    2. The mode of pellets eaten by 101 and 104 is 7 and 2.

    3. 104 has eaten more than 101.

    I would like to learn why 104 eats more than 101, even though it was born smaller.


  3. 1.I learned that turtle 104 ate 49 pellets.
    2.I learned that the typical number was 2 and 7.
    3.I learned that the cluster was between 6-8 pellets.
    I would like to learn more about how the Blanding turtles are in the threatened species and when the turtle was in threatened species.


  4. 1.I learned that the 2010 turtles are longer.

    2.In 2008 most turtles were 33.3 mm

    3.The biggest amount of length difference between 2008 and 2010 was 5.4 mm.

    I would like to know why one turtle grew 5.4 mm from 2008 to 2010 and the others grew only 1 or 2 mm.


  5. Posted by ec15 on September 27, 2010 at 9:01 pm

    1. Most turtles gained 13x their weight
    2. Only 5 turtles didn’t gain 13x their weight
    3. The turtle that gained the most weight is turtle 2027c
    I would like to know the weight of the turtle mothers


  6. Posted by EC20 on September 27, 2010 at 9:18 pm

    The three things I learned are:

    1. Turtle 2031 laid the same amount of eggs in 2008 and 2010 (8 eggs).

    2. The range of the weights from the hatchlings of turtle 2031 in 2008 and 2010 was 6.1g-9.1g.

    3. The most amount of babies she had of the same weight was 4 babies.

    I would like to learn what the 2009 hatchling data is for turtle 2031 because it was not available and it would be interesting to study it.


  7. Posted by EC13 on September 27, 2010 at 10:23 pm

    The 3 things that I learned are:
    That the mode and the median can be same. And the temperatures can be so low. And
    also it is not important to have clusters and outliers.

    I would want to know that:
    Why are the temps so low?
    Why is April the only month that has the same temp again?


  8. 1.The 2008-2009 River Water is colder and warmer than 2009-2010 River Water.

    2.The 2008-2009 Winter was colder than the 2009-2010 Winter.

    3.The 2009-2010 River Water had a 10 degree colder Sept than the 2008-2009 River water.

    I would like to see the older temperatures so I can see if the data results would change dramatically. I could see if the river has been getting warmer or colder over time. \


  9. Posted by EC18 on September 27, 2010 at 10:55 pm

    Here are three things that I learned from my graph:

    1. Turtles have a variety of sizes. One of the turtles was 29.6 mm., and another was 36.1 mm. Big range!

    2. Turtles babies are almost never the same length.

    3. The amount of babies that 2031 had that were the same length was two. That was really surprising for me.

    I would like to learn why turtles have so many babies. It also would be cool to see what the data was like in three years, I wonder if the data would be more or less.


  10. The three things I learned are that it takes different amounts of time for turtles to hatch, that different turtle moms lay different amounts of eggs and that some hatch and some don’t. Here is some of our data:
    1. 6 moms layed eggs in 2008.
    2. 6 moms layed eggs in 2009.
    3. 8 moms layed eggs in 2010.
    I am surprised that the number eggs went up from 2008-2010 because I thought the population of turtles was going down. I think we are doing a good job protecting them and hopfully the number will go up even more next year.

    I wonder how many Blanding’s turtles are in the world.


  11. The three things that I learned are

    1. That it can take 105 days for turtle eggs to hatch.
    2. It can take a very short time like 52 days for turtle eggs to hatch.
    3. For such a big piece of data a bar graph would be smaller then you would think and a line plot is longer and bigger then you think.
    Something that I wonder is what is the longest time turtle eggs have been underground.


  12. Posted by ec14 on September 28, 2010 at 12:43 am

    1. I learned that turtle number 334 had 9 babies all three years (2008,2009,2010).

    2. I also learned that two turtles had 13 babies in one year.

    3. Finally, I learned that one year only a single baby turtle survived from one of the turtles.

    I wonder how many baby turtles are there, if you add up all the turtles that survived in 2010?


  13. Posted by ec21 on September 28, 2010 at 9:13 pm


    Three things that I learned from my data are,
    1.) The largest turtle’s weight is 9.4 grams.
    2.) The littlest turtle’s weight is 7.4 grams.
    3.) Turtle 1,002 had 2 more eggs in 2008 than 2010.

    What I would like to learn more about my topic is what all of the data about the turtle’s weight would look like if we added it all together.


  14. 1.2008-2009 had much warmer river water than 2009-2010.

    2. 2008-2009 had a colder winter than 2009-2010.

    3.2009-2010 had a 10 degree warmer September than 2008-2009

    I would like to know how the temperature changes over 1 school year.


  15. Posted by EC10 on September 28, 2010 at 11:05 pm

    Temperatures of nests are different tthan I thought they would be.
    I didn’t know that they would be as hot as 87.7 degrees.
    2 nests were never the same temperature as each other.


  16. Posted by EC10 on September 28, 2010 at 11:08 pm

    I am wondering how big the turtles get and also how heavy they can be.


  17. 1. I learned that there really isn’t a typical number of live turtles born because in 2009 only one live turtle was born from turtle #2030 and during that same year, 13 live turtles hatched from turtle #1030. so as you can see there is no typical number.
    2. The second thing that I learned was that some years one turtle has a very little amount of live hatchlings and the next has a ton.
    3. I noticed that only one turtle had the same number of hatchlings all three years.

    I wonder why some years a turtle has very little hatchlings and the next year it has alot?


  18. The number of days it took turtle eggs to hatch
    1. I saw that the longest time a turtle we recorded her eggs and the eggs did not
    hatch until 105 days.
    2. The middle number of the data 2010 was 69.
    3.The highest number in 2010 was 77 days 2010 .

    I want to know how long it took for the shortest time it took turtle eggs to hatch ?


  19. Posted by ec17 on September 29, 2010 at 12:24 am

    I learned that the hatchlings for 2008 were bigger in length than 2010 for mother 334.

    In 2008 the mode for hatchlings for mother 334 was 35.1 and the outlier for 2008 was 27.2.

    The median for 2010 hatchlings was 29.85 and the median for 2008 was 34.4 for mother 334.

    I would like to know why were there more hatchlings in 2008 than in 2010?


  20. Posted by ec12 on September 29, 2010 at 12:52 am

    There was two of the same temperature in 2009 which was 78.9.
    I thought the temperatures would be around 100 but they were in the low 70s.
    Depending on whether the temperature is high or low it determines whether the turtle is male or female.


  21. Posted by ec12 on September 29, 2010 at 12:54 am

    I wonder what nest temperature had the most turtles survive in it?


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