Find the tension in cables B and C if w1 = 73.0 N and w2 = 170 N. 60°у 60° 60°у 60°
Here is a bivariate data set. у 43 51 34 40 21 34 43 68 22 29 57 60 3965 52 50 Find the correlation coefficient and report it accurate to four decimal places.
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QUESTION 1 Figure 2-5 100 90 80 70 60 50 40 30 20 10 10 20 30 40 50 60 70 80 washe Refer to Figure 2-5. It is possible for this economy to produce O a. 60 dryers and 50 washers. b. 60 dryers and 60 washers. c. 80 dryers and 50 washers. O d. All of the above.
5) In which solvent do you expect a faster reaction rate: water-isopropanol (50:50) or water- isopropanol (40:60)? Explain your choice.
6 7 10 4 13 Xi Vi 50 50 40 60 30 (a) Choose the correct scatter diagram with x on the horizontal axis 60 60 50 50 40 40 30 20 10 30 20 10 10 15 10 15 (iv) 60 60 50 50 40 30 20 10 40 30 20 10
Price per bag Total Revenue $70 $2,100 30 $60 $2,400 40 $50 $2,500 50 $40 60 $2,400 $30 $2,100 70 $20 $1,600 80 a) Calculate the total revenue at each price point. At which price would you advise the bookstore to sell bags? b) To assist with your presentation to the bookstore staff, you plan to have a discussion on elasticity. Calculate the price elasticity of demand between the following price points and indicate whether demand is elastic or inelastic:...
Wind speed ydu 10 15 20 30 40 50 60 5 2 4 5 9 14 19 24 1 hours the wind has been blowing 10 15 20 30 40 2 2 2 2 4 5 5 5 5 7 8 8 9 9 13 16 17 18 19 21 25 28 31 33 29 36 40 45 48 47 54 62 67 50 2 5 9 19 33 50 69 37 The table gives n(t,v) feet, the height of...
А 10 40 B 20 30 у b The contingency table shown to the right gives a cross-classification of a random sample of values for two variables, x and y, of a population a. Find the expected frequencies. Note: You will first need to compute the row totals, column totals, and grand total. b. Determine the value of the chi-square statistic. c. Decide at the 5% significance level whether the data provide sufficient evidence to conclude that the two variables...
010 20 40 50 60 Tiene el 3.33