Last Ap Statistics Test Template (Page 3 of 3) in pdf

For the next set of questions you may use your formula sheet.

20. Write the equation for the least squares regression line an define what is the slope and what is

the y-intercept. ________________________________________________________________

21. Write the equation you would use if you wanted to find r (correlation coefficient) and you had

the slope, and the standard deviation for x and y _____________________________________

22. Write the equation you would use if you wanted to find the y-intercept if you were given the

mean of x and y and the slope. ____________________________________________________

23. What formula would you use to find the standard deviation of a set of data the long way.

24. What formula would you use to find the union of two events. ____________________________

25. What formula would you use to find conditional probability. _____________________________

26. What formula would you use to find the expected value of a random variable and it’s

probabilities. __________________________________

27. What formula would you use to find the standard deviation of a random variable and it’s

probabilities.

28. What formula would you use if you had n and wanted to find the standard deviation of a set of

p-hats. ____________________________________________

29. What formula would you use to find a binomial probability. ____________________________

For the following, be careful when to use the statistic notation and when to use parameter

notation. (s vs sigma, p vs. p-hat)

30. What is the general formula for the confidence interval ______________________________

31. What is the test statistic you would use for a two sample t-test. ________________________

32. What confidence interval would you use for a one proportion z-interval

_________________________________________________

33. What standard deviation would you use for a two sample proportion test or interval?

_________________________________________________

34. What standard deviation would you use for a one sample proportion test or interval?

_________________________________________________

35. What standard deviation would you use for a one sample t-test or t-interval

36. What is the Chi-squared test statistic for Goodness of Fit Test ______________________

37. What is the difference between a statistic and a parameter?

____________________________________________________________________________

Last Ap Statistics Test Template Page 3