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# 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

Source: Rachel Bedo

cesar escopete 6 months ago

what is different of function

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monica miranda 8 months ago

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

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aqsa nazir about 1 year 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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aqsa nazir about 1 year 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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Lorraine Coleman over 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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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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by point slope form;slope formula, 7y + 6x -36= 0

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jassy — almost 2 years 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 — almost 2 years ago

what is the formula of quadratic function?

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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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