17. In a sample of solid Al(NO3)3‚ the ratio of aluminum ions to nitrate ions is (1) 1:1 (2) 1:2 (3) 1:3 (4) 1:6 19. What is the total number of atoms in (NH4)2SO4? (1) 10 (2) 11 (3) 14 (4) 15 22. Write the correct formula for the following binary ionic compounds. (a) Lithium fluoride LiF (b) Calcium oxide CaO (c) Aluminum nitride AlN (d) Beryllium chloride BeCl2 (e) Potassium iodide KI (f) Aluminum oxide Al2O3 23. Write the correct formula for the following binary molecular
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exist at the national‚ state‚ and local (Panchayat) levels in many sectors‚ including health‚ education‚ economic opportunities‚ gender-based violence‚ and political participation. However‚ there are significant gaps between policy advancements and actual practice at the community level. One key factor for the gap in implementation of laws and policies1 to address discrimination‚ economic disadvantages‚ and violence against women at the community level is the largely patriarchal structure that governs
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data and prove the hearsay is rooted in fact or not. a) Chi-square Goodness-of-fit Tests on AT&T In order to test the validity of the hearsay‚ he collects 54 observations of monthly investment returns on AT&T and DJIA (Dow Jones Industrial Average) from March 2008 to September 2012. After gathering the data‚ he is going to test whether the number of months that has positive investment returns on AT&T are equal to months of negative returns. Therefore he sets a hypothesis; the null hypothesis H0 :ppositive
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Multiple regression‚ a time-honored technique going back to Pearson’s 1908 use of it‚ is employed to account for (predict) the variance in an interval dependent‚ based on linear combinations of interval‚ dichotomous‚ or dummy independent variables. Multiple regression can establish that a set of independent variables explains a proportion of the variance in a dependent variable at a significant level (through a significance test of R2)‚ and can establish the relative predictive importance
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ASSESSMENT 2 PUNCTUATION EXERCISES 1. On the first blank line‚ identify the type of sentence by using "S" for simple‚ "CP" for compound‚ and "CX" for complex. 2. Next‚ identify the type of conjunction underlined using "C" for coordinating conjunction‚ "CA" for conjunctive adverb‚ and "SC" for subordinating conjunction. 3. Punctuate the sentences. Sent. Conj. CX SC 1. The sales room was expanded‚ when our volume of business increased. CX SC 2. Because each
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Simple Linear Regression in SPSS 1. STAT 314 Ten Corvettes between 1 and 6 years old were randomly selected from last year’s sales records in Virginia Beach‚ Virginia. The following data were obtained‚ where x denotes age‚ in years‚ and y denotes sales price‚ in hundreds of dollars. x y a. b. c. d. e. f. g. h. i. j. k. l. m. 6 125 6 115 6 130 4 160 2 219 5 150 4 190 5 163 1 260 2 260 Graph the data in a scatterplot to determine if there is a possible linear relationship. Compute and interpret
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2 First-Order Differential Equations Exercises 2.1 1. y 2. y y x t x t 3. y 4. y y x x t 5. y 6. y x x 7. y 8. y x x 17 Exercises 2.1 9. y 10. y x x 11. y 12. y x x 13. y 14. y x x 15. Writing the differential equation in the form dy/dx = y(1 − y)(1 + y) we see that critical points are located at y = −1‚ y = 0‚ and y = 1. The phase portrait is shown below. -1
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to employees. The firm eliminated 22000 jobs from 2006 to 2008. It shows that the company routinely fire people who cannot comply with the managers’ command. Therefore‚ the employees have been fear of being fired by the company. Moreover‚ the company practices involuntary transfer. They create uncertainty over the employees’ job security. As a result‚ it created heavy psychological burden and pressure on the employees. With such‚ the employees are stress out. Aggressive organization certainly makes
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One day‚ the story says‚ America’s great essayist Ralph Waldo Emerson saw a farmer trying to pull a reluctant calf into a barn. The farmer had a rope halter on the calf and was pulling with all his strength‚ but the calf had all four hooves dug into the barnyard mud and wouldn’t budge. To be helpful‚ Emerson got behind the calf‚ put his shoulder to its rump‚ and began pushing with all his might while the farmer continued to pull at the other end. The calf only planted itself more firmly. As these
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http://www.mathsisfun.com/data/standard-normal-distribution-table.html (Z table) http://www.sjsu.edu/faculty/gerstman/StatPrimer/t-table.pdf (t table) Critical Values (Z) Level of Significance 1% 2% 4% 5% 10% Two Tailed ±2.56 ±2.32 ±2.05 ±1.96 ±1.64 Right tailed +2.32 +2.05 +1.75 +1.64 +1.28 Left tailed -2.32 -2.05 -1.75 -1.64 -1.28 Q1) A cinema hall has cold drinks fountain supplying Orange and Ditzy Colas. When the machine is turned on‚ it fills a 550ml cup with 500ml of the
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