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Q1) Is there a difference in kind of feedback given by mothers who don't receive treatment? Again, utilize Data/ Select Cases to choose just mothers who are receiving treatment. DV is the type of feedback (praise, directive, negative).
Carry out ANOVA and, if essential, post-hoc comparison. Construct a graph to represent group differences, and interpret ANOVA in paragraph written in APA style.
Is there the effect of child's age (2-3 vs 6-7 years old) and family type (2 parents vs. mother-only) on amount of feedback given by mothers ( the amount of feedback represents the total number of positive, negative, and directed comments made by mothers; it is given by variable feed_back_amount)?
Carryout the ANOVA and, if essential, post-hoc comparisons. Conduct a graph to represent group differences, and interpret ANOVA in a paragraph written in APA style.
Findout the 98% confidence interval for true mean. Findout a 98% confidence interval for the cigarette tax in all 50 states.
Develop a 95% confidence interval of the difference between the daily population means for the two airports.
Researchers are studying the absorption of two drugs into the bloodstream. Each drug is to be injected at three dosages. There are 24 people in the study, and they are randomly divided into six groups.
Perform a posthoc test that is suitable if we assume that group 7 is a control group and that the other are different treatment groups and that we are only interested in finding significant treatments, not to compare them.
Suppose these data represent whole population. Determine the population mean and population standard deviation.
Martin Motors has in stock three cars of the same make and model. The president would like to evaluate the gas consumption of the three cars (labeled car A, car B, and car C) using four different types of gasoline. For each trial, a gallon of gaso..
Make a scatter plot, illustrate the regression lines. Determine the correlation coefficient between husband’s and wife’s education for couples in which wife is employed full time?
Depends on the satellite information illustrate what is the expected number µ of real forest fires on the Seward Peninsula.
The world record time (in minutes) in the marathon is plotted versus the year in which the record was set for men and women separately. The plotting symbol o is used for men and x for women. The data include only records set between 1908 and 1988.
What is the OR of getting cancer fora late child birth woman compared to an early first birth woman?
If all samples of size 64 are drawn, mean of sample according to Central Limit Theorem is 100.
Determine her weighted mean grade? What letter grade did she earn? (A, B, C, D or F).
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