Identify the abuse of statistics.A questionnaire is sent to 10,000 persons. 5,000 responded to the questionnaire. 3,000 of the respondents say that "They love chocolate ice cream". We conclude that 60% of people love chocolate ice cream. What is wrong with this survey?
What will be an ideal response?
This is not a random sample. The survey is based on voluntary, self-selected responses and therefore has serious potential for bias.
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Use elimination to solve each system of equations, if possible. Identify the system as consistent or inconsistent. If the system is consistent, state whether the equations are dependent or independent. -3x + 2y = 5-6x + 4y = 10
A. (1, 1) B. (0, 0) C. infinitely many solutions and dependent D. inconsistent
Solve the problem.The height of a box is 5 inches. The length is three inches more than the width. Find the width if the volume is 350 cubic inches.
A. 10 in. B. 70 in. C. 5 in. D. 7 in.
Round the following to the nearest ten, nearest hundred, and nearest thousand.9671
A.
| Ten | 9670 |
| Hundred | 9600 |
B.
| Ten | 9680 |
| Hundred | 9600 |
| Thousand | 9000 |
C.
| Ten | 9670 |
| Hundred | 9700 |
D.
| Ten | 9680 |
| Hundred | 9700 |
Solve the problem.Find the volume V of a rectangular box with length 2 yd, width 8 yd, and height 7 yd.
A. V = 392 yd3 B. V = 112 yd3 C. V = 128 yd3 D. V = 28 yd3