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Anna, a language major, took final exams in both French and Spanish and scored 83 on each. Her roommate Megan, also taking both courses, scored 77 on the French exam and 95 on the Spanish exam. Overall, student scores on the French exam had a mean of 81 and a standard deviation of 5, and the Spanish scores had a mean of 74 and a standard deviation of 15.
a) To qualify for language honors, a major must maintain at least an 85 average for all language courses taken. So far, which student qualifies?
b) Which student's overall performance was better?
What does treatment mean square (MSTR) measure and what does error mean square (MSE) measure and Suppose that you want to perform a one-way ANOVA to compare the mean losses among the three types of robberies. What conditions are necessary
Random samples of resting heart rates are taken from two groups. Population 1 exercises regularly, and Population 2 does not. The data from these two samples is given below:
Is this a small, medium, or large effect?- What proportion of the total variance was error variance?- List at least 10 things that might have contributed to the error variance in this study.
a. What is the probability that one hour of the lunch rush has no orders returned? b. The lunch rush lasts two hours. What is the probability that exactly six orders are returned during the lunch rush?
According to the U. S. Census Bureau, the total 2008 U.S. population was 303,824,640. The chart below summarizes the 2008 population for five U.S. States.
State the null and alternate hypotheses if you want to determine whether the mean amount spent is higher for men than for women,
The viewers' satisfaction ratings are recorded. The results are analyzed via twofactor ANOVA, one factor being network and the other factor being news time. Complete the following ANOVA table for this study, and give a full interpretation of the r..
population 1 mean 36 and population 2 mean 45. both population standard deviations are 10. sample size per group 16.
In a study that examines the effect of a peer mentor on the heart rate of patients, what is the dependent variable
At 0.05 level of significance, is there evidence of significant relationship between age group and where people mainly get their news? If so, describe the relationship.
the college is planning to add a food vender in the student union and would like to know what type of food service the
A bowl contains R red and W white chips. Suppose N chips are drawn without replacement from the bowl.
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