math HELP!!!!!!

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporter's data is valid or not?
A. The data is valid for the entire city because the bird refuge is located in the city.<----------
B. The data is not valid for the entire city because people can have more than one hobby.
C. The data is not valid for the entire city because bird watchers are more likely to visit a bird refuge.
D. The data is valid for the entire city because a bird refuge is a good place to find people who like to watch birds.

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  1. I disagree.

  2. Oh okay my second choice would be D

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  3. no
    review your text about valid sampling and bias

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    posted by Damon
  4. Okay i got it C

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  5. No.

    You want to know how many people in the city watch birds. The reporter's data is not valid because he's only surveyed bird watchers. He's ignored the 90% or so of the people who don't go to the bird refuge.

  6. C is correct.

  7. Yes, C

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    posted by Damon
  8. Hi! If you are reading this and taking this Math test in Connexus its your lucky day!

    D.
    C.
    C.
    A.
    D.
    A.
    D.
    A.
    B.
    C.
    A.
    C.
    B.
    A.
    B.
    C.
    B.

    I just hit finish on the test. These where the answers. 100%! There are also some other questions I will give my answer for. Please do NOT copy my answers. Change them up a bit because the teacher will know you copied.

    19.
    A. It is misleading because 3.8 and 4.6 are added into the graph. Since those two numbers are added, it makes the graph bigger and misleading.
    B. You can redraw the graph by removing 3.8 and 4.6.

    20.
    A. Mean: 78.1, Median: 81, Mode: 59.
    B. Because the mode has the smallest number, the social studies teacher should use mode to help her be convinced to study more.

    21.
    A. 50 turtles were caught in 2009.
    B. 30 turtles were caught in 2010.

    22.
    A. Both sets are ranged 51-83. Set A is higher and set B is lower.
    B. The mean is 70 for both soil A and B.
    C. 71.9

    Questions 18-22 have not been graded. You do not have to write what I wrote. Also, if you don't trust my answers, have fun not getting 100... I don't know what else to say. Unless your a math wiz. If you where a math wiz, why would you be looking up answers??

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    posted by Jiskha
  9. only 8 are right ur wrong don't trust him

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    posted by kyle
  10. Okay well I just got my test answers. I completely BOMED that test. I got all of the essay questions wrong. Here are the real answers:

    19.
    A. The graph could be misleading because the vertical scale uses very small intervals and starts at 3.8, which makes the changes seem greater than they really are.
    B. The graph could be redrawn with its vertical scale starting at zero and with larger intervals.

    20.
    A. Mean: 78, Median: 80.5, Mode: 58. (My teacher did not reply on B so i'm guessing its right.)

    21. A. 125 turtles. B. 150 turtles.

    22.
    A. All but the lowest value for Soil B and the highest value for Soil B fall within the same range.
    B. Soil A: 71.8. Soil B: 75.
    C. Soil A: 8.16, Soil B: 5.4.
    D: The heights of the sunflowers planted in Soil A are more variable because the means of the heights in each group are about the same, but the mean absolute deviation for Soil A is greater.

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    posted by Jiskha
  11. Also, Kyle, either you just didn't click the right circle or your just trying to be rude.

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    posted by Jiskha
  12. Are you 100% right Cz this is a big grade in math

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    posted by Idk
  13. .........

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  14. Kyle was right. He only got 8 right

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    posted by Ashlene
  15. Is the other question right

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    posted by Kind
  16. I'm taking the test and btw. Jshika's answers to the Math 7B Unit Test on Connections Academy are wrong, It's not rocket science to be able to tell that. Anyways I will post answers, for all you little Cheaters, you really need to do it on your own.

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  17. 1.B
    2.D
    3.C
    4.D
    5.D 10 people
    6.D
    7.D
    8. A or B
    (!!!"THE REST YOU WILL NEED TO FIGURE OUT BECAUSE IM NOT GONNA LET YOU GET AN EASY 100% ON THIS TEST AND YOU DID NOTHING"!!!)

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  18. First answer is wrong, it's d.

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    posted by Pancake
  19. jiskha is wrong'

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    posted by me!
  20. can someone just give the correct answers plz

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  21. the answer for 1through17 is 1.d 2.b 3.c 4.a 5.d 6.c 7.b 8.a 9.c 10.b 11.b 12.c 13.d 14.c 15.d 16.c 17.b

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  22. Please do not cheat it is not the way to success. If you want to cheat I'm not holding you back, but it will not pay off

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  23. the answer for 1through17 is 1.d 2.b 3.c 4.a 5.d 6.c 7.b 8.a 9.c 10.b 11.b 12.c 13.d 14.c 15.d 16.c 17.b

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  24. memes

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  25. Please what are the answers

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    posted by Sup
  26. Answer sup they really need the help. They are failing horribly.

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  27. REAL answers. Connections Academy, Unit 5, Lesson 10, Displaying and Analyzing Data

    1. D
    2. B
    3. C
    4. D
    5. D
    6. D
    7. D
    8. D
    9. C
    10. A
    11. A
    12. C
    13. C
    14. C
    15. A
    16. D
    17. C

    Please trust me! I'm as mad as you are.

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    posted by what
  28. Hello! I don’t trust anyone on here with answers I really think you guys should be doing these on your own cheating isn’t gonna get you anywhere through life. I go on here to check a question I’m not sure about? Trust me when I cheated on my one test I got a really bad score like 10% but I just did it on my own I got 100% . Don’t cheat.

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    posted by Hi
  29. are you right what?

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    posted by heyyyy
  30. m

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    posted by Ms.Sue
  31. all of these are incorrect

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    posted by Ms.Sue
  32. Use the like buttons plz

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  33. Real answers, I just failed that test so I hope this helps you, These answers are 100% on everything I love.

    B
    B
    C
    A
    D
    C
    D
    C
    C
    C
    B
    C
    B
    D
    A
    C
    B

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  34. D
    D
    C
    A
    D
    D
    D
    D
    C
    A
    A
    C
    B
    D
    D
    C
    B
    These are the right answers

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  35. Okay first of all Hi its not your job to call out ppl who cheat, if they dont learn anything thats there fault. calm down.

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    posted by ...
  36. i’m pretty sure all of these answers are wrong, so i think the test is randomized for each student to prevent cheating so if you give answers, write the question next to it so ppl know

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    posted by egg
  37. (Hi) some people don't like like what you said but i believe its the truth some of them know that there cheating and they don't care but i agree with what you said because one time i got a 30 from cheating and my scores now that i get are an 85 or higher! everybody on here is smart but i know some of you people know that but just don't fell like doing the work.

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    posted by Hayley
  38. Lmaoo
    A
    A
    D
    C
    B
    S
    D

    A

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