Independent-measures study produces sample means
An independent-measures study produces sample means of M1 = 35 and M2 = 31 and a pooled variance of 25. For this study, Cohen's d = ____.
d = 4/25
d = 4/5
d = 25/4
d = 5/4
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The data from independent-measures research study produce a sample mean difference of 6 points and an estimated standard error of 2 points. If there are n = 8 scores in each sample, then the value for the t statistic is ____.
The homogeneity of variance assumption states that the two population variances are equal.
For an independent-measures research study, the data show an 8-point difference between the two treatment means and a pooled variance of 4. Given this information, what is the value of Cohen's d?
For independent-measures t statistic, the estimated standard error measures how much difference is reasonable to expect between two sample means if the null hypothesis is true.
Biff and Dilara were arguing over a news feed regarding population of catfish (Silarus gianis) in France which had figured out how to hunt feral pigeons. A submerged catfish lying in wait would rush in shallow water (liek a killer whale beaching i
To keep up with current events, 30% of the people read the paper, 40% watch the news upon TV, and 10% do both. If you choose an individual at random, determine the probability that he or she will read the paper or watch the news on TV but will not
Which of the following confidence intervals also points out a significant difference between treatments with a = .05?
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