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Temperature Frequency
96.5 - 96.8 1
96.9 - 97.2 8
97.3 - 97.6 14
97.7 - 98.0 22
98.1 - 98.4 19
98.5 - 98.8 32
98.9 - 99.2 6
99.3 - 99.6 4
Find the mean, standard deviation, and variance for this frequency distribution.
The mean of a standard normal probability distribution.
This morning the office you are monitoring has eight office visits on the schedule. What is the probability that:
Assume that preparation D was a placebo. Use the Scheffe's procedure to compare the average response of A, B, C, and E to the response for D.
How likely is it that the store owner will make at least $7,000 if she implements your suggestion?
Failure times for a randomly failing component are 3.3, 14.3, 27.1, 41.3, and 92.2 hours. Find the MTTF and standard deviation using: a) moment estimation. b) maximum likelihood estimation.
Create a 95% confidence interval for true mean.
What proportion of sample means would be between 1.31 and 1.33 inches?
Fix-It Copiers advertises mean time of 100 minutes for office calls with standard deviation of 25 minutes. What percentages of calls are completed?
What kind of statistical test best did you use?
Form a frequency distribution and a percentage distribution that have class intervals with the upper class limits $99, $119, and so on.
In a simple linear regression analysis of 18 data points the following ANOVA table was found.
Construct a scatter plot of P-RFM and P-HELM. If drawing the plot by hand, use graph paper to ensure accuracy.
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