Solve. If necessary, round answers to the nearest hundredth.The following test scores were recorded for a student: 75, 67, 63, 63, 75, 77. Find the mean, median, and mode.
A.
| mean: 70 | median: 63 | mode: 77 |
B.
| mean: 71 | median: 70 | mode: 75 |
C.
| mean: 71 | median: 71 | mode: 63 |
D.
| mean: 70 | median: 71 | mode: 63 and 75 |
Answer: D
Mathematics
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A. 
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A. {- 6}
B. {6}
C. 
D. 
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Find the standard equation of the parabola that satisfies the given conditions. Vertex: (0, 1); focus: (0, 4)
A. x2 = -12(y - 1) B. x2 = 12(y - 1) C. (x - 1)2 = 12y D. y2 = 12(x - 1)
Mathematics
Use the graph to solve the problem.The population (in thousands) of one city is approximated byf(x) = 
The graph of this function is shown below. In this graph, x = 0 represents 1970. Use the graph to estimate the population of the city in 1983.
A. About 84,700 B. About 77,700 C. About 70,700 D. About 66,700
Mathematics