Across
- 3. This type of correlation indicates an association where predictions can be made quite easily (r-values close to -1 or 1).
- 5. The function f(x)+10 will move the graph of f(x) 10 units ___.
- 7. The center value in a set of ordered data.
- 9. In a frequency table, this is the type of frequency that gives the percentage of the whole in decimal form.
- 10. The difference between the upper and lower quartiles.
- 17. The set of all numbers that can be used as your x-variable that will make sense in the context of the problem.
- 19. When you do a linear regression, the a value it gives you represents the ______ or rate of change.
- 20. The set of all numbers that can be used as your x-variable that will make sense mathematically.
- 23. On your calculator, in order to see the r-value (correlation coefficient) you must go to the catalog and select this option.
- 25. On your calculator, in order to see a graph of any data points you have entered, you must turn this feature on.
- 26. The expressions: 2(x - 5) + 7 and 2x - 3 are examples of _________ expressions.
- 27. On your calculator, this is where you go to enter in data.
- 29. On your calculator, this is the option you choose for a linear regression under STAT-->CALC.
- 30. A table where the frequency of different categories are placed in different rows and columns with totals labeled as well.
- 32. This type of correlation indicates an association, but predictions aren't made with much confidence (r-values between 0 and 0.5).
Down
- 1. The median of the lower half of a set of data.
- 2. The function f(x)-7 will move the graph of f(x) 7 units ___.
- 4. The ________ coefficient is a number between -1 and 1 to represent the strength of an association (also called the r-value).
- 6. An association where as one variable increases, so does the other one, indicates a ________ correlation.
- 8. For the function c(n)=1299n+200, which represents the cost of a delivery as a function of the number of televisions delivered, what does the n mean?
- 11. The median of the upper half of a set of data.
- 12. The function f(x-5) will move the graph of f(x) 5 units to the ___.
- 13. The function f(x+2) will move the graph of f(x) 2 units to the ___.
- 14. An association where as one variable increases, the other one decreases, indicates a ________ correlation.
- 15. A larger _______ __________ indicates that the data set is more spread out.
- 16. Along with the center and shape of a distribution, use this to describe or compare.
- 18. Along with the median, this is another way of measuring the center of a set.
- 21. The difference between the maximum and the minimum value in a set of data.
- 22. For the linear patter of data: 20, 25, 30, 35, 40, One form of a rule would look like "_____ = NOW + 5 starting at 20".
- 24. This word, used to describe the rate of change, is a giveaway for a linear function.
- 28. The way you would read out the expression, "f(x)".
- 31. When you do a linear regression, the b value it gives you represents the _____________ or starting value.