In a 1-Factor analysis of variance (ANOVA) for independent samples, three samples are randomly drawn from a population of hyperactive children. Children in each sample are treated at different drug dosage levels. During treatment, hyperactive behavior is observed. The average frequency of hyperactive behavior is calculated for each sample and sample means are compared. G)if F obs is more extreme in its departure from zero than Fcritical, then which of the following two decisions about the null hypothesis (H a ) is appropriate? a. reject b . fail to reject H) if the null hypothesis is rejected based on the single probability of occurrence of F obs (p<.05) , an alternative hypothesis can be considered stating that there is an a. inequality of sample means ( mu 1 ne mu 2 ne mu 3 ) b. equality of sample means ( mu 1 = mu 2 = mu 3 )
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In a 1-Factor analysis of variance (ANOVA) for independent samples, three samples are randomly drawn from a population of hyperactive children. Children in each sample are treated at different drug dosage levels. During treatment, hyperactive behavior is observed. The average frequency of hyperactive behavior is calculated for each sample and sample means are compared.
G)if F obs is more extreme in its departure from zero than Fcritical, then which of the following two decisions about the null hypothesis (H a ) is appropriate?
a. reject b . fail to reject
H) if the null hypothesis is rejected based on the single probability of occurrence of F obs (p<.05) , an alternative hypothesis can be considered stating that there is an
a. inequality of sample means ( mu 1 ne mu 2 ne mu 3 )
b. equality of sample means ( mu 1 = mu 2 = mu 3 )
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