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These questions are addressed to a specific study and database which I am not including in order to prevent the apperance of asking for assignment completion however it is worth mentioning that the study is one about job satisfaction and the variables involved are age, gender, tenure and department and the units of measure are overall, intrisinsic and extrinsic job satisfaction using a scale of 1 to 7.
1. Differentiate between correlation and causation.
2. What are the practical applications?
3. How would it be used in the workplace?
4. Briefly describe correlational research.
5. Name a study variable and one from the workplace that might prove to provide a correlational relationship and explain why.
If you wish to estimate a population mean with a sampling distribution error SE = 0.28 using a 95% confidence interval and you know from prior sampling that sigma^2 is approximately equal to 5.4, how many observations would have to be included in ..
The mean top of knee height of a sitting mate is 20.7 in.
What sample size must you take to be 96% confident that the results will be within $.75 of the true mean cost per call?
Critically discuss the difference between the standard deviation of the sampling distribution of the mean and the standard deviation of the sampling distribution of the median when we calculate the probability?
What advantage does correlation have over a cross-tab?
What is the 95 percent interval for the population mean?
Findout the variance also standard deviation for the 2 distributions above. Evalute the variation of the data sets.
What is the estimated standard error of the sample mean? Construct a 95 percent confidence interval for the population mean category fluency test score.
If there is an outage, there is a .05 probability that the resulting losses will be very large, approximately $ 80 million in lost earnings. Also, it is estimated that there is a .95 probability of only slight losses of around $ 1 million. What is..
Assume that 5,000 sales invoices are separated into four strata. Stratum 1 contains 50 invoices, stratum 2 contains 500 invoices, stratum 3 contains 1,000 invoices, and stratum 4 contains 3,450 invoices.
Construct a 99% confidence interval for the difference between the true average boot times of the two types of hard drives. Assume the difference will represent (HDD-SSD) and that the population standard deviations are statistically the same.
The National Survey of Student Engagement (NSSE) surveys freshmen and seniors about their level of engagement in campus and classroom activities that enhance learning.
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