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Question: The impact of a mentoring program for highly aggressive children. Faith, Fiala, Cavell, and Hughes (2011) examined the impact of a mentaring program for elementary school-aged children on attitudes that mentors and children have about mentoring. In their study, they reported that children's and mentor's ratings of the openness of the mentor significantly decreased from before to following the mentoring program, t(lOl) = 12.51.
(a) What was the sample size for this test?
(b) Was a repeated-measures or a matched-pairs design used in this study?
Backfat thickness is a variable used in evaluating the meat quality of pigs. An animal scientist measured backfat thickness (cm) in pigs raised on two different diets, with the results given in the table.
1. The proportion of visitors to the Grand Canyon National Park who are foreigners is π = 0.44. In the sampling distribution of the proportion for samples of size n = 680 visitors, the margin of error for the interval that contains the middle 95% ..
What is the regression formula - how reliable do you think the estimates will be based on this formula? Explain your answer by citing the relevant metrics.
question bandura blanchard and ritter 1969 conducted an experiment that provided individuals with one of four
in the mid-eighties the toro company launched a promotion in which snow blower purchasers could refund a portion of
suppose you have a sample of 6 observations from a normal population. the sample variance is equal to 4. find a 90
(a) Argue that the ratio R = (X + Xi)/(Xi + · ··+ ..¥;) and its denomi nator (Xi + ··· + ..¥;) are independent. (b) Does SR/ 2 have an £-distribution with 2 and S degrees of freedom? Explain your answer. (c) Compute E(R) using Exercise 7.6..
compute a qq plot against a normal distribution with a mean of 5 and standard deviation of 1 and test for the goodness
a coffee company wants to make sure that there coffee is being served at the right temperature. if it is too hot the
Find the probability that among 8 randomly selected graduates, at least one finds a job in his or her chosen field within a year of graduating.
A piece of electronic equipment is built with 3 cooling fans. The equipment will function only if at least 2 of the 3 pans are working. The lifetimes of the fans are subject to forces of mortality that are independent, constant and identical. The ..
One wheel of a pre-1916 automobile manufactured by the Buick Motor Company was made of defective wood. Buick could have discovered the defect.
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