1. Welcome to...
PROFIO'S SQUARES
A Game of X’s and O’s

2. Another Presentation © 2000 - All rights Reserved Mark E. Damon

3. Ivana Winn Dewey Cheatum Seymour Money Sand E. Beaches Ima B. Utiful1 2 3
Ivana Winn
Dewey Cheatum
Seymour Money
Sand E. Beaches
Ima B. Utiful
Lee V. Mediately
Craven Sumfood
Anita Hugginkiss
Starring:
Phil R. Up 4 5 6 7 8 9

4. 1 2 3 X 4 5 6 O 7 8 9 Scoreboard Click Here if X Wins Click Here if
O Wins

5. 1
How do you calculate degrees of freedom for a Chi-Square test?

6. 1
(#rows-1)(#columns-1)
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7. How do you find the converse of an if, then statement p => q?2
How do you find the converse of an if, then statement p => q?

8. Switch the hypothesis and conclusion: q => p2
Switch the hypothesis and conclusion: q => p
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9. 3
If you have a Chi-Squared value of 2.34 and your critical value is 5.99, do you reject Ho and why?

10. No! Chi Square > critical value to reject.3
No! Chi Square > critical value to reject.
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11. How would you set this up to solve for x?4 x
How would you set this up to solve for x?

12. 4
x2 = (400)2 + (375)2 – 2(400)(375)cos35
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13. 5
If the Pearson correlation coefficient is –0.98, we say that the data has ______, ______ correlation.
(2 words)

14. strong, negative correlation5
strong, negative correlation
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15. 6 Explain how to estimate the mean of a table like this one (3 steps)
interval
frequency
0-<20 4
20-<40 8
40-<60 12
60-<80 3
80-<100 1
Explain how to estimate the mean of a table like this one (3 steps)

16. 6
Multiply the frequency by the middle value of the interval, add, and divide by the total frequency.
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17. 7
Given the f(x) = a + b(c)x, write the horizontal asymptote? (answer as an equation using variables)

18. 7
y = a
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19. 8
What does the derivative equal at the maximum or minimum of a function?

20. 8
zero
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21. What is the perpendicular slope9
What is the perpendicular slope
to y = 2x + 3?

22. 9
-1/2
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23. X
CONGRATULATIONS!
CONGRATULATIONS!
CONGRATULATIONS!

24. O
CONGRATULATIONS!
CONGRATULATIONS!
CONGRATULATIONS!