Identify the abuse of statistics.A researcher published this survey result: "74% of people would be willing to spend 10 percent more for energy from a non-polluting source". The survey question was announced on a national radio show and 1,200 listeners responded by calling in. 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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Determine whether the relation is a function.
A. Not a function B. Function
First, use front-end rounding to round each number and estimate the answer. Then, find the exact answer.James is taking a road to Calistoga. He has already driven 73.38 kilometers. If the entire distance to Calistoga is 115 kilometers, how much further must James drive?
A. Estimate: 30 kilometers; exact: 42.62 kilometers B. Estimate: 30 kilometers; exact: 41.72 kilometers C. Estimate: 40 kilometers; exact: 51.62 kilometers D. Estimate: 30 kilometers; exact: 41.62 kilometers
Convert the units using unit fractions.51 ft = 
yd
A. 5.67 B. 1836 C. 153 D. 17
Use the vertical line test to determine whether the graph represents a function.
A. not a function B. function