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Find the standard deviation for the given sample data. Round your answer to one more decimal place than is present in the original data.
The manger of an electrical supply store measured the diameters if the rolls of wire in the inventory. The diameter of the rolls (in meter) are listed below.
0.29 0.223 0.31 0.549 0.667 0.814 0.462
You had calculated the following measures of central tendency: the mean, the median, and the mean trimmed 25%. Which of these measures of central tendency will change when you correct the recording error?
Biggio's Department Store has six employees available to assign to four departments in the store: home furnishings, china, appliances, and jewelry.
The random variable x is known to be uniformly distributed between 1.0 and 1.5.
At the .05 significance level, can we conclude that there is a difference in their mean times?
On a test whose distribution is approximately normal with a mean of 50 and a standard deviation of 10, the results for three students were reported as follows:
What is the standard error of estimate? Describe with an example. What are the coefficients of the linear regression model and what do they mean? What are the various statistics reported in a regression output?
A random group of students was selected from a large student conference to analyze their class in school. Is there evidence to reject the hypothesis that the number of students is equally distributed between the four classes, at alpha = .05?
Confirm that these statements are accurate by finding the geometric mean rate of increase.
Far West University offers both day and evening classes in business administration. One question in a survey of the students inquires how they perceive the prestige associated with certain careers.
Can you conclude that information in article is untrue? Use 0.05 significance level. Find out p-value and explain its meaning.
Describe and analyze your quantitative data and Briefly address the data analysis process.
I have been asked to suppose that faculty at my college are assigned overload courses hence additional compensation beyond the required contract hours based on seniority.
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