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John has taken an SAT test that consists of two sections (verbal and math). He scored 580 on verbal and 610 on math test, respectively. John later learned that the means and standard deviations of the scores for both sections were as follows: Mean = 505 (std = 50) for the verbal section; Mean = 520 (std=60) for the math section. In terms of the standard scores for both sections, the score of which section was better? What are the z-scores for both sections?
An advantage of the permutation test over the t test for a difference in means is that - distribution interval or a bootstrap percentile interval
The main goal of correlation research is ______________
Assume the population standard deviations are not the same. At the .05 significance level, is there a difference in the mean waiting time?
According to table, which presents a MODI solution for a transportation problem, if that solution is used, which of the following is true.
To determine monthly rental prices of apartment units in San Francisco Bay area, samples were constructed in the following ways. Identify the technique used to produce each sample.
By using 0.05 level of significance, is there any evidence of difference in mean life of bulbs produced by two kinds of machines?Calculate p-value and interpret its meaning.
Describe what the researcher must do if one of the requirements is not met and give illustrations.
Run an ANOVA using only groups 1 to 6 (You can hide group 7 from the analysis by data followed by select cases and then you filter out group 7 by if GROUP~= ). Also run the posthoc tests LSD and Bonferroni.
Determine probability that student was sophomore? Determine the probability of selecting a face card from deck of 52 cards.
In a pilot study, five kids are given several problems of each type to practice (and then tested on three problems), in one of the three Sequences: D-R-T, T-D-R, OR R-T-D.
The following table shows the number of miles driven in each trial.
At the 0.05 level of significance, is there evidence of a significant relationship between the age groups and where people primarily get their news? If so explain the relationship.
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