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This week dicussion topics are: Inferential Statistics, Confidence Interval for Population Mean, t-Distribution.
Pages 305-308, 311-315, 320-322, 325-329.
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After reading required for this week study material,
let's discuss following topics.
To get full credit you should post your comments to any two of these topic.
Either no change to the Objective function or a raise in the value of the objective function depends on the constraint.
Based on the sample data, and using the 0.025 level of significance, can we conclude that the new exhibit has increased the average contribution of exhibit patrons? Identify and interpret the p-value for the test.
The mean change score for the sample studied is an increase of 5.2. What is considered a medium effect size for a t test for dependent means?
A standard deviation of 1.9 pounds. What is the 95 percent confidence interval for the true mean weight, u, of all packages received by the parcel service?
In 2000, 26 of 48 sets of twins were born preterm. Does this indicate an increase in the incidence of early births of twins? Test an appropriate hypothesis and state your conclusion.
What "school" of English historians provides a famous example of teleological historical writing? Explain why their work exemplifies the classic historical.
a chi-square goodness-of-fit test is to be performed. the relative frequencies for the null hyupothesis and the sample
q1 both undergraduates and postgraduates can use the university cafeteria. each diner can choose between buying a meal
Which of the following tests analyzes the difference between the means of two independent samples?
the supplies for the construction of a reinforced concrete building are supplied by the company a and b. the company a
assume the readings on thermometers are normally distributed with a mean of 0 degrees celsius and a standard deviation
Describe at least five instances of actual data presented. These can include surveys, experiments, business data, and even sports information.
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