Use the Following Information to Answer the Question $\text { Vacation days taken in last } 90 \text { days }$

question 58

Multiple Choice

Use the following information to answer the question. The data in the top row of the table shows the number of vacation days taken by the respondent in the previous 90 days. The respondents also reported their level of happiness; Very H means very happy, and so on. $\text { Vacation days taken in last } 90 \text { days }$
$\begin{array}{l|c|c|c|c|c|c}&0&1&2&3&4&5+\\\hline\text { Very H } & 10 & 14 & 19 & 27 & 30 & 37 \\\text { Fairly H } & 6 & 7 & 28 & 33 & 45 & 49 \\\text { Not very H } & 5 & 7 & 6 & 3 & 0 & 1 \\\text { Not H } & 6 & 6 & 5 & 2 & 1 & 2\end{array}$
-The following table shows the data after merging categories so that there are two column categories (0-1 vacation days and 2 or more vacation days) , and two row categories (happy and unhappy) . Expected values for each cell are also shown in parentheses. Test the hypothesis that there is an Association between happiness and number of vacation days taken in the last 90 days, using a Significance level of 0.05. State the value of the test statistic rounded to two decimal places and state Whether the p-value is closer to zero or one. $\begin{array}{l|l|l} & 0-1 \text { vacation days } & 2+\text { vacation days } \\\hline \text { Happy } & 84 & 221 \\& (104) & (201) \\\hline \text { Unhappy } & 35 & 9 \\& (15.003) & (28.997) \end{array}$

• A) \(\chi ^ { 2 } = 5.03\); The \(p\)-value will be close to zero.
• B) \(\chi ^ { 2 } = 46.28\); The p-value will be close to one.
• C) \(\chi ^ { 2 } = 5.03\); The \(p\)-value will be close to one.
• D) \(\chi ^ { 2 } = 46.28\); The p-value will be close to zero.

Compare the densities of two materials to determine which is more dense.

Define and explain the concept of precision in measurements.

Know the density of common substances, such as water.

Understand the SI unit of time.

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Definitions:

Inflation

The rate at which the general level of prices for goods and services is rising, eroding purchasing power.

Gross Domestic Product

A measure of the economic output of a country, calculated as the total value of all goods and services produced over a specific time period.

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The practice of ensuring that actions and policies today do not diminish the health, welfare, and opportunities for future generations of humans.

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