Which of the following measures of central tendency is the best for nominal data?
A. Standard deviation
B. Mean
C. Mode
D. Median
E. Variance
Answer: C
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You borrow $30,000 for 10 years to pay tuition and fees. The annual interest rate is 12 percent. What monthly payment would be required to pay off the loan?
What will be an ideal response?
The project lead in an MNC decides to assign every member of his team to a new project and monitors their performance on a customized scale of scores. The data on their performance over a period of six months are shown below.
Performance Scores Team members Jan Feb Mar Apr May Jun1 4 5 2 3 -1 32 2 2 3 1 4 43 -1 4 4 4 5 14 5 1 4 2 5 35 2 2 1 5 4 46 4 1 2 1 -1 47 1 5 -1 2 5 18 1 2 5 5 4 29 4 5 3 4 2 210 4 5 2 2 -1 511 5 -1 5 1 2 212 3 2 -1 -1 1 213 -1 1 4 -1 4 514 2 3 3 2 -1 415 5 -1 5 5 1 116 5 2 1 5 2 -117 5 -1 4 -1 2 118 3 4 -1 5 2 419 2 3 5 1 3 120 4 4 3 1 -1 521 3 1 1 4 -1 422 3 1 5 5 4 223 2 2 -1 3 2 -124 1 2 4 4 4 325 3 5 -1 2 5 4 a. Create a heat map in Excel that shades the cells with negative performance scores. Use Excel's Conditional Formatting function to create this heat map.b. For each month, identify the team members who scored negative. Which month has the highest negative performance scores? ? What will be an ideal response?
A sample of 66 observations will be taken from an infinite population. The population proportion equals 0.12 . The probability that the sample proportion will be less than 0.1768 is
a. 0.0568 b. 0.0778 c. 0.4222 d. 0.9222
In binary integer linear program, the integer variables take only the values
a. 0 or 1. b. 0 or 8. c. 1 or 8. d. 1 or –1.