This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: Referring to the preceding distribution: b. Explain what f= 5 represents. c. What is the sum of the frequency column? d. What does this sum represent? Objective 2.15 Find the median rate paid at Jim’s Burgers if the workers’ hourly rates are $4.25, $4.15, $4.90, $4.25, $4.60, $4.50, $4.60, $4.75. Objective 2.18 a. The data value x=45 has a deviation value of 12. Explain the meaning of this. b. The data value x=84 has a deviation value of- 20. Explain the meaning of this. Objective 2.32 The empirical rule indicates that we can expect to find what proportion of the sample included between the following? A) _ _ X – s and X + s B) _ _ X – 2s and X + 2S C) _ _ X – 3s and X – 3s Objective 3.23 _ _ Show that formula (3.7a) y- intercept=y-bar-b(slope . x-bar) B o = y – (b 1 . X) Is equivalent to formula (3.7) y-intercept = (sum of y) – [(slope) (sum of X) b o =∑y – (b 1 . ∑x) NUMBER N...
View Full Document
- Spring '11