BUS 488 F Quantitative Analysis Week 1 Quiz

$821.93

A manager notices an anticipated cash income of $1000 at five compounding periods into the future. If the anticipated rate of return is 4% (0.04), what is the present value of the anticipated cash income? a. $822.70 b. $961.54 c. $25,000 d. $821.93

2,000

A manufacturer produces a product that sells for $15 per item. The variable cost of producing each item is $10 per item and the fixed cost associated with the manufacturing process is $10,000. How many items must be produced to break even? (Hint: breakeven = manu. process # / (product sells for - what it is produced for)) a. 1,000 b. 667 c. 2,000 d. 150

5

Consider the following values, X1 = 2 X2 = 4 X3 = 6 x4 = 8 What is the mean of these values? a. 5 b. 4 c. 6 d. 20

49.5

Consider the values shown below, 22, 55, 33, 66, 44, 77, 88, 11 What is the median of these values? a. 49.5 b. 44 c. 55 d. 5

22

Consider the values shown below, 22, 24, 21, 22, 23, 25, 22, 21, 22, 24, 21, 22, 23, 25, 22, 23, 24, 25 What is the mode of these values? a. 6 b. 21 c. 22 d. 23

Variables, parameters

Important quantities in mathematical models that can assume assume different values are called ________. Other, constant numerical quantities in the model are called _______. a. under values, over values b. intergers, complex numbers c. numbers, hunches d. variables, parameters

2X + Y <=5

Manipulate the following inequality into a form that has a linear expression on the left, a <= or >=, and a positive number on the right. 3 X - 4 Y + 2<= X - 5 Y + 7 Which on of the following answers is correct? a. 4x - 9y <=9 b. 2x - Y <=5 c. 2x - 9y <=5 d. 2x - y >=5

18

Suppose that the following data items are identified as shown: X1 = 2 X2 = 4 X3 = 6 X4 = 8 X5 = 10 What would be the value of the following summation, 4 sigma E k=2 ; Xk a. 30 b. 18 c. 20 d. 15

12

Suppose that the following data items are identified as shown: Y1 = 2 Y2 = 4 Y3 = 6 What would be the value of the following summation, 3 sigma E i = 1 ; Yi a. 6 b. 10 c. 2 d. 12

ln 3+ ln X

What is an equivalent form of the following, ln(3 X) a. (ln 3) * ln(X) b. ln 3 + ln X c. 3 * ln X d. none of the above

e^5x

What is an equivalent form of the following? (eX)3 * e2X = a. e^3x+3 b. (e^2x)^3 c. e^5x d. 3e^3x

x^5

What is the result of the following division? x^3/x^-2 = ? a. x^5 b. x^1 c. x^-1 d. -2x^3

2.58

What is the standard deviation of the values in Question 6? a. 6.67 b. 2.67 c. 5 d. 2.58

77

What would be the range of the values in Question 8? a. 11 b. 77 c. 88 d. 66

The vertical axis

When a graph of a dependent variable versus an independent variable is produced, the dependent variable is plotted on _______. a. the horizontal axis b. the vertical axis c. both axes d. none of the above