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x Starting salaries
In a recent survey by the National Association of Colleges and Employers, the average starting salary for computer science majors was reported to be $63,017. You are planning to do a survey of starting salaries for recent computer science majors from your university.
Using an estimated standard deviation of $13,500, what sample size do you need to have a margin of error equal to $1100 with 95% confidence?
An automobile manufacturing plant produced 29 vehicles today: 9 were sedans, 11 were vans, and 9 were trucks. Plant managers are going to choose two of these vehicles for thorough inspection. The first vehicle will be chosen at random, and then ..
What sample size is needed to estimate with 95 persent confidence the mean intake of calcium within 20 units of the true mean if the intake is normal with a variance of 1900 units?
is the correlation between lot-r total scores and avoidance-distraction coping style statistically significant? is this
What kind of a study is this?- What do you conclude? Support your conclusion by testing an appropriate hypothesis.
Can we conclude that the mean time for a game is less than 3.50 hours? Use the .05 significance level.
Find the mean, median, mode, variance and standard deviation for the following data set:
a population proportion is to be estimated. estimate the minimum sample size needed to achieve the specified margin of
Survey of School Dropouts Among indigenous Students in Malaysia
What is the probability that the average length of a sheet is between 30.08 and 30.32 inches long and construct a 99 percent confidence interval around the mean annual expenditure in the bar.
1. Suppose Subway has carried out the study, using the sample size determined in that exer- cise, and 27.5% of the franchisees say they are pleased with their relationship with Subway. Construct and interpret the 95% confidence interval for the po..
Critically illustrate out the difference between a histogram and a dot plot. When might a dot plot be better than a histogram?
Comparison of paired and unpaired samples test - Prepare a brief conclusion statement summarizing your results. What can you tell this MHMR about client satisfaction? What could you suggest they do to improve?
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