Use the Table of Data Shown Below to Calculate the Average

question 129

Multiple Choice

Use the table of data shown below to calculate the average rate of the reaction A $\rarr$ B between 10 s and 20 s. $\begin{array}{cl}\text { time }(\mathrm{s}) & {[\mathrm{A}] \mathrm{mol} / \mathrm{L}} \\0 & 0.20 \\5 & 0.14 \\10 & 0.10 \\15 & 0.071 \\20 & 0.050\end{array}$

• A) 2 * 10^-3 M/s
• B) 4 * 10^-3 M/s
• C) 6 * 10^-3 M/s
• D) 8 * 10^-3 M/s
• E) none of the above

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Definitions:

Multinomial

Related to outcomes or processes that can fall into more than two categories in statistical experiments.

Categories

Distinct groups or classes into which items or individuals can be sorted based on shared qualities or characteristics.

Proportion

A statistical measure that indicates the fraction of the total population that possesses a particular attribute or characteristic.

Chi-squared Goodness-of-fit Test

This test assesses if observed frequencies in a single categorical variable match expected frequencies determined from a theoretical distribution.