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question 149

Short Answer

You roll a pair of dice 36 times and get the following set of data. The far column is the expected frequency.
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$$\begin{array} { l l l } \text { Outcome } & \text { Frequency } & \text { Expected } \\2 & 2 & 1 \\3 & 3 & 2 \\4 & 3 & 3 \\5 & 4 & 4 \\6 & 4 & 5 \\7 & 9 & 6 \\8 & 4 & 5 \\9 & 2 & 4 \\10 & 1 & 3 \\11 & 0 & 1\end{array}$$ What is the mean of your data, rounded to the nearest whole number? __________ Is this greater or less than the expected mean? __________ By how many? __________

Distinguish between reliability and validity in experimental research.

Gain an understanding of scientific attitudes and their importance in scientific inquiry.

Recognize the importance and methods of ensuring a sample is representative of a population.

Understand the distinction between hypotheses and theories and their roles in scientific research.

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Definitions:

Accounting Fraud

Deliberate manipulation or falsification of financial records to misrepresent a company's financial position, often for personal gain.