A Horticulturist Wants to Test the Effectiveness of Four Types

question 18

Multiple Choice

A horticulturist wants to test the effectiveness of four types of fertilizer on the growth rate of Bermuda grass.Six sections of grass are randomly assigned to each of the four fertilizer types,and the rate of growth for each section is measured.Calculate MST,MSE and the F-ratio.Can you reject H0 using α = 0.05? The ANOVA table is listed below. Analysis of Variance
Source Sum-of-Squares df Mean-Square F-ratio P-value
Fert 283.966
Error 174.218
Total 458.184

• A)MST = 56.793; MSE = 8.711; F-Ratio = 6.520; No,do not reject H0 using α = 0.05.
• B)MST = 70.992; MSE = 8.711; F-Ratio = 8.150; Yes,reject H0 using α = 0.05.
• C)MST = 56.793; MSE = 8.296; F-Ratio = 6.846; No,do not reject H0 using α = 0.05.
• D)MST = 94.655; MSE = 8.711; F-Ratio = 10.866; Yes,reject H0 using α = 0.05.
• E)MST = 94.655; MSE = 8.296; F-Ratio = 11.410; Yes,reject H0 using α = 0.05.

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Definitions:

Purposeful

Having a clear aim or goal; being intentional in one's actions or decisions.

Fun

Enjoyment, amusement, or lighthearted pleasure.

Csikszentmihalyi

Mihaly Csikszentmihalyi, a Hungarian-American psychologist known for developing the concept of flow, a state of heightened focus and immersion in activities.

Intrinsic Motivation

Intrinsic Motivation is the drive to act or engage in an activity for its inherent satisfaction or pleasure, rather than for some separable consequence or external reward.