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In this Discussion, you will create a scenario that would require using the one-sample ttest and then explain what you would change in order to turn the one-sample ttest into a two-sample ttest. While you will not need to complete calculations, you will be asked to explain your study design and discuss why you made the choices you did. This experience will help you later to review studies and critique the interpretation of data.
Post by Day 3 your one-sample ttest scenario. What would need to change in the scenario to result in the need for a two-sample ttest? Explain whether the two-sample scenario would be categorized as having independent samples or related samples and discuss why. Support your post using the Learning Resources.
Use the Earthquake magnitude scale to answer how much energy in joules was released by the 2008 Earthquake in Sichuan China (magnitude 7.9) which killed 68,000 people.
a total of 300 participants are selected for a study of risk factors for cardiovascular disease. at baseline study
Find the sample space for the number of outcomes (you don't need to list the possible outcomes, just how many possible outcomes there are).
Prediction interval for the regression line - Using the age and sick days data from table below, find the 98% prediction interval when x = 47 years.
Bivariate data for the quantitative variables x and y are given in the attached. These data are plotted in a scatter plot. Sketch an approximation of at the least-squares regression line for the data.
Two researchers are both interested in the relationship between caffeine consumption and activity level for elementary school children. Each obtains a sample of n = 20 children.
the administrator of a new paralegal program at seagate technical college wants to estimate the grade point average in
a construction company is designing the worlds highest commercial building at the michigan avenue in chicago. in order
Assume that these two ways to buy tickets are independent. The probability that someone who tries to buy tickets through the Internet AND by phone will obtain tickets is equal to?
The planned shortage inventory model recommends order quantity Q* = 70 and shortage level S = 18. Which of the following statement is incorrect?
Is there good evidence that treatment of staph-positive patients before surgery reduces the rate of post-surgical staph infection?
Problem: The random variable T denotes the time in second for which a firework burns before exploding. The probability density function of T is given by
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