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The following is the number of minutes to commute from home to work for a group of nurses. A frequency distribution needs to be developed:
18 5 48 37 41 19 2 26 16 13
26 21 32 25 30 43 35 42 38
List all samples of 3 and compute the mean of each sample. Compute the mean of the distribution of sample means and population mean. compare the two values
the mean and the standard deviation of the sample of 100 bank customer waiting times in table 1.8 are xbar5.49 and
Suppose a simple random sample of size 42 is selected from a population with = 10. Find the value of the standard error of the mean in each of the following cases.
What sample size would be needed to estimate he population mean to within one-half standard deviation with 95% confidence?
approximately what proportion of the area under a normal curve with mean ? and standard deviation ? falls to the right
question suppose that x xijnx2 is an observed data matrix from a bivariate normal distribution nmusigma2i where i is
The probability that the pro shop sells 36 dozen balls is 0.59; otherwise, the pro shop sells 21 dozen balls. What is the standard deviation of the number of balls the pro shop sells in a month? (please round your answer to 2 decimal places)
Number of days of accrued annual leave. suppose that the mean and variance are 12 and 144, respectively. What is the probability that a sample of size 100 will yield a mean greater than 9?
Create a Gantt chart in Microsoft Project or Microsoft Excel that takes you from your freshman year to graduation in your senior year.
a student is required to take college algebra before taking stats. but not all students are required to take stats.
Discuss the problems of getting survey data in the real world, also discuss ethics you need to consider when gathering survey data. Also give an example of a real world product and give suitable survey questions
twelve different video games showing substance use were observed and the duration of times of game play in seconds are
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