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Advanced Algebra and Statistics Quiz Questions

Advanced Algebra and Statistics Quiz Questions

 
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1. What is the 5 number summary from the following set of data? -8, -2, 0, 1, 5, 8, 11

2. What does a correlation coefficient (r) of -.85 indicate about the direction and strength of a linear relationship between two variables?

3. You are conducting a survey at your school, and randomly determine to survey every 10th student that walks into the cafeteria. What type of sampling method did you use?

4. Solve for x: 7x2 + 3x - 4 = 0

5. Solve the linear system of equations: -2x + 3y = 2

-4x - y = -24

6. Solve for the center and radius of the circle: x2 + y2 - 8x + 10y + 5 = 0

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Source: Rachel Bedo

Questions and Answers

  • Answers 0
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    cesar escopete 3 months ago

    what is different of function

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  • Answers 0
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    monica miranda 6 months ago

    what is the 5 number summary for 3, 6, 9, 11, 14,17

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  • Answers 0
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    aqsa nazir 11 months ago

    if we have a sample of 100 animals ,in which 90 likes meat ,then standard deviation make sense or not?

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  • Answers 0
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    aqsa nazir 11 months ago

    Suppose you are testing if the mean size of a part is less than 16.0 mm using a significance level of 5%. In a sample of 180 parts has an average of 14 with standard deviation 13.

    What is the appropriate null and alternate hypothesis

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  • Answers 0
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    Lorraine Coleman about 1 year ago

    A bond analyst is analyzing the interest rates for equivalent municipal bonds issued in different states. At a = 0.05, is there enough evidence to conclude that there is a difference in the interest rates paid by the two states.
    State A State B
    Sample 60 70
    Mean interest rate % 3.6 3.5
    Population variance 0.03 0.03

    Answer choices; No. test value 1.08 is inside critical region
    Yes test value 3.28 is outside critical region
    No. test value 0.01 is inside the critical region

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  • Answer 1
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    Darwin Mangubat over 1 year ago

    what is the equation of the a linear function whose graph passes through (-1,6) and (6,0)

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    •  
      kelvin reyes answered about 1 year ago

      by point slope form;slope formula, 7y + 6x -36= 0

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  • jassy
    Answers 0
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    jassy — over 1 year ago

    The approach that is used for analyzing decision trees is called
    Question 13 options:
    maximax
    maximin
    Laplace
    expected monetary value

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  • kurt
    Answers 0
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    kurt — almost 2 years ago

    what is the formula of quadratic function?

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  • ben
    Answer 1
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    ben — over 2 years ago

    person A assembled the bike within 8 hours and person B work it in 6 hours..if they will work together how long they can finish the job???

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    •  
      Zero
      Zero answered almost 2 years ago

      24/7 hours

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