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anon_ch posted a question Dec 07, 2014 at 7:31pm 1. Suppose that an Internet service has been tracking customer complaints over the past six days. 47 82 41 90 36 12 1. Please determine the meaning and the standard deviation of the simple. 2. Is the standard deviation large? 3. Why is such information important to the business?
What percent of trucks logged more than 57,060 but less than 58,280 miles? What percent of Fords travelled 62,000 miles or less in the year?
8.175 How much power does this study have to detect a mean difference of 5 units in the symptom scale if a two sided test is used with α = .05?
If 49 applicants are randomly chosen, what is the probability that they will have a rating between 230 and 260? Round z scores to two decimal places.
A researcher selected a sample of 50 residents from each of three different cities to determine if they were willing to participate in a medical experiment. At a = .05, test the claim that the proportions who will participate are equal.
Generate a 95% confidence interval for the difference in mean HDL levels between men when exercise regularly and those who do not.
Class was approximately normal with mean 530 and standard deviation 80. About what percent of students will score between 370 and 690?
Explain the concept of "Regression Analysis", its types (3 types at least), applications and usefulness. Provide real application of its usage.
Suppose you know that the distribution of sample proportions of nonresidents in samples of 200 students is normal with a mean of 0.04 and a standard deviation of 0.03.
A sample of 19 albino Hungarian banded aardvarks was examined for nose length. Since this is a small sample, how various degrees of freedom will be used to find the t-score.
How should I compute probability in spss for variable "seizure duration" with unnormal distribution which constitutes numerical data of duration in seconds.
Analyze whether or not patients undergoing this treatment are illustrating significant change from baseline to 3 months afterward. Report a p-value.
Make an interval estimate the population means score for the daycare children so that you are 95% confident that the true mean is in your interval.
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