The Data in the Table Describe the Percentage of Fissures

question 77

Multiple Choice

The data in the table describe the percentage of fissures that developed in turbines after h hours of running time.There is moderate linear relationship (r = 0.93) between the number of hours the turbines ran and the percentage of turbines that developed fissures.Which of the formulas below best models the linear relationship? $\begin{array}{cccc}\text { Hours Run } & \begin{array}{c}\text { Number of } \\\text { Turbines Run }\end{array} & \begin{array}{c}\text { Number of } \\\text { Fissures }\end{array} & \begin{array}{c}\% \text { of Turbine } \\\text { with Fissures }\end{array} \\400 & 39 & 0 & 0 \\1000 & 53 & 4 & 0.08 \\1400 & 33 & 2 & 0.06 \\1800 & 73 & 7 & 0.1 \\2200 & 30 & 5 & 0.17 \\2600 & 39 & 9 & 0.23 \\3000 & 42 & 9 & 0.21 \\3400 & 13 & 6 & 0.46 \\3800 & 34 & 22 & 0.65 \\4200 & 40 & 21 & 0.53 \\4600 & 36 & 21 & 0.58\end{array}$

• A) \(f=0.00016 h-0.134\)
• B) \(f=1.6 h-0.133\)
• C) \(f=-0.002 h+0.132\)
• D) \(f=0.93 h-0.13\)

Apply the Tukey-Kramer multiple comparison procedure for post hoc analysis in ANOVA.

Differentiate between one-tailed and two-tailed tests and their application in hypothesis testing.

Identify and calculate relevant statistics for ANOVA and post hoc tests.

Understand the conditions under which an independent samples t-test can be appropriately conducted.

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