I. Choose the correct answer

1. It describes the position of a raw score in terms of its distance 'om the mean when measured in standard deviation units. A. f- score B. t- score C. :- soore D. none of these 2. The sample size n is less than 30 or {a 30 ). C. The CLT states that the sample mean x is equal to the population mean m, provided that n > 30. D. The CLT states that the sampling distribution of the population mean m is approximately normal, provided that n > 30. 5. Which of the following pair is INCORECT? A. x = the sample mean C. n = standard deviation B. Ho= population mean D. G = population standard 6. Which of the following is the formula in finding the z-score? A. Z = -10 (Vn) C. z = -HO B. z= Ho (Vn) D. z = * Ho 7. Which of the following is the formula in finding the t-score? A. t = * Ho) (Vn) C. t = = Ho B. t = ( 40) (Vn) D. t = (, )For item numbers 8-9. 8. Find the t-score. Given: x = 26 ,/o = 20, s = 3, n = 12 A. 6.90 B. 6.91 C. 6.92 D. 6.93 9. What is the degree of freedom? A. 10 B. 11 C. 12 D. 13 For item numbers 10-11. 10. Find the value of t-score. Given: x = 10 , Ho = 6, s = 2, n = 24. A. 9.78 B. 9.80 C. 9.82 D. 9.84 11. What is the degree of freedom? A. 20 B. 21 C. 22 D. 23 12. Find the z-score. Given: x = 8 , Ho = 12, 0 = 4, n = 169. A. -10 B. -11 C. -12 D. -13 13. Find the z-score. Given: x = 96 ,/0 = 93, 6 = 3, n = 45. A. 6.71 B. 6.72 C. 6.73 D. 6.74 For item numbers 14-15. Enterprises claimed that their cashiers had a mean monthly salary of Php 10,000.00. A researcher wants to verify this claim by asking 40 cashiers. The result showed that these cashiers had an average monthly salary of Php 8,000.00 with a standard deviation of Php 5,00.00. Test the claim at 10% level of significance assume that the population is approximately normally distributed. 14. In solving problem, the first thing that you need to consider are the given. Which of the following about the given in the problem is correct? A. n = 40 , Ho = 10, 000, x = 8,000 , s = 500 a = 0.10 B. n = 40, Ho = 8,000 , x = 10,000 , s = 500 a = 0.10 C. n = 500 , Ho = 10, 000, x = 8, 000 , s = 40 a = 0.10 D. n = 500 , Ho = 8, 000, x = 10,000 , s = 40 a = 0.10 15. Find the z-value using the Central Limit Theorem (CLT)? A. -158.77 B. -159.77 C. -160.77 D. -161.77