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The mean salary of the nine employees of a small business is $52,000 per year. One employee, whose salary was $68,000, was red. Two new employees, who will each be paid a salary of $40,000, are hired. What is the new mean annual salary of the employees of the business?
Calculate the sample mean and sample standard deviation.
The mean top of knee height of a sitting mate is 20.7 in.
Do 1-sample t-test to see if people in Chicago have travelled to fewer states than people nationwide. Utilize the 10% (.10) level of significance.
To findout 95 percent with confidence interval for the mean amount a citation. Police Chief Aaron Ard of River City reports 500 traffic citations were issued last month.
Findout the percentage of trainees earns less than $900 a month utilizing normal distribution.What percentage of trainees earns less than $900 a month?
Each party's position must be statistically sound. Include as suitable graphs, computations, and statistical tests.
Develop a linear regression model for these data and forecast carpet sales if 30 construction permits for new homes are filed.
Below, explicitly state slope of your trend line and describe what value of slope signifies in terms of this context.
See if there is a difference in their means and variances.
USA Today reported that 11% of all books sold are of the romance genre. If a local bookstore sells 316 books on a given day, what is the probability that
Suppose the assembly times follow normal distribution. Find out z values for 29 and 34 hours. What percent of garages take between 32 hours and 34 hours to erect?
Calculate the z - scores for the three samples, compare the z score to the t-statistic, is the null hypothesis accepted or rejected?
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