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Create a real-world situation or problem involving children who have adhd. Within state the independent and dependent variables you would study, an explanation of whether an independent-samples or related-samples t test is most appropriate, the statistical null and alternative hypotheses, a description of what information the effect size would tell that the probability value would not tell, and the hypothetical results using correct APA format.
A device has a sensor connected to an alarming system. The sensor triggers with probability 0.95 if dangerous conditions exist in a given day and with probability 0.005 if conditions are normal during the day. Days with dangerous conditions occur ..
Reggie Miller of the Indiana Pacers is the National Basketball Association's best career free throw shooter, making 89% of his shots. Assume that late in a basketball game, Reggie Miller is fouled and is awarded two shots.
How could your answer in question (a) change if you knew returns followed a skewed distribution instead of a normal distribution? Explain briefly.
A random sample of 50 households revealed a mean of $112,000 and a standard deviation of $40,000. What is the standard error of the mean?
Otherwise you lose $1. If you make this wager very many times, what will be the mean outcome?
I have computed an analysis of variance for three groups with 10 observations per group. Evaluate the degrees of freedom for the F test
The summation sign is usually represented by:
Using the menu systems, request descriptive statistics (mean, s.d. and variance) for both your original variables
Using the results, describe the effect of an outlier or extreme value on the confidence interval.
Hypothesis Testing: We wish to test the claim that the mean body mass index (BMI) of men is equal to the mean BMI of women. Use the data to the right to test this claim.
At the .05 significance level, can we conclude that there is a difference in their mean times?
Determine the probability of randomly selecting a person graduating with Master's degree who didn't major in Education.
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