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A researcher tested the reading ability of two groups of primary care patients. The scores on the test range from 1 to 9 with 9 indicating a high degree of reading ability and 1 very limited reading ability. The researcher is interested in knowing the average level of reading ability for each group separately and for the sample as a whole. Calculate these indices using appropriate statistics, provide a rationale for the ones you chose to use and provide an interpretation of the results.
Group 1: 4, 8, 6, 6, 2, 1, 7, 3, 4, 3
Group 2: 5, 8, 7, 2, 4, 5, 2, 9
Katie is studying aggression among adolescent girls. She believes that there is a relationship between the level of interaction a girl has with her mother and her level of aggression.
For patients over age 80, probability is 0.05 that coronary bypass patient will die soon after surgery, if hospital performs eight such operations, determine the probability of two or more fatalities?
Find the Probability and prove that the given two events are mutually exclusive and independent or not.
What was the critical F value chosen?
Assume if the students toss the coin 200 times each about 68% should have proportions among what two numbers.
With the test statistic you chose, work out the problem with solution using .05 level of significance if it applies.
Multiple comparison procedures are going to be done using the Bonferroni method with α = 0.10. The value of t** is 2.2426. The smallest minimum significant difference (MSD) for finding a difference between groups is computed as 17.68. The correct ..
Use a 0.05 significance level to test the claim of a cereal lobbyist that the mean for all cereals is less than 0.3g.
The 99% confidence interval estimate for a population variance when a sample standard deviation of 12 is obtained from a sample of 10 items is:
Answer the following three questions based on what you know about statistics now.
Answer all of these questions using R Commander. Include all graphs, outputs from R Commander.
Using the Census data, the OH Registry of Motor Vehicles reveal the subsequent about the Autos owned by the 10 families residing in Smallville.
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