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1. Determine the mean to the nearest whole number, for the following list of numbers: 20, 43, 67, 52, 67, 44, 62, 90, 21, 19, 15
a) 11
b) 43
c) 49
d) 67
2. Determine the median to the nearest whole number, for the following list of numbers: 20, 43, 67, 52, 67, 44, 62, 90, 21, 19, 55
b) 49
c) 52
The means appear to be very close, but not the variances. At α = .05, is there a difference in variances? Show all steps clearly, including an illustration of the decision rule.
Use this information to set up a 90 percent confidence interval for the proportion, p of all US workers who play hooky.
Determine the value of correlation coefficient between these 2 variables?
The incubation time for Rhode Island Red chicks is normally distributed with a mean of 21 days and standard deviation of approximately 1 day.
Thirty-two samples of 8 items each were collected from a process. The average sample mean is 12 and the average range is 0.10. The upper and lower control limits, respectively, for an:
Analysis of data sets assignment
Findout the consumption level separating the bottom 45% to the top 55%. The September energy consumption levels for single family homes are found to the normally distributed with a mean
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At.05 significance level, can we conclude that larger proportion of the agents think the economy is expanding this month?
FBI Report do greater universities that tend to have more property crime. Keep a scatter diagram also sketch the line you think best fits the data.
Graph the distribution using a histogram. Calculate the mean and standard deviation.
Their resting heart rates were measured. A partial ANOVA table is given.
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