Four Different Types of Insecticides Are Used on Strawberry Plants

question 24

Multiple Choice

Four different types of insecticides are used on strawberry plants. The number of strawberries on eachrandomly selected plant is given below. Find the critical value F-value to test the hypothesis that the type ofinsecticide makes no difference in the mean number of strawberries per plant. Use α = 0.01. $$\begin{array} { c c c c } \hline \text { Insecticide } 1 & \text { Insecticide } 2 & \text { Insecticide } 3 & \text { Insecticide 4 } \\\hline 6 & 8 & 6 & 3 \\6 & 5 & 3 & 5 \\5 & 5 & 4 & 3 \\7 & 5 & 2 & 4 \\7 & 5 & 3 & 5 \\6 & 6 & 3 & 4 \\\hline\end{array}$$

• A) 4.94
• B) 4.43
• C) 26.69
• D) 4.18

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