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the probability that first processing machine is not working properly at any time is 007 and the probability that the
the 70 n force acts on the end of the pipe at b determine the angles 0deg 180deg of the force that will produce the
a newspaper article preceding the 1994 world cup semifinal match betweenitaly and bulgaria stated that italy is favored
given that the church administration spent a great deal of money on this development and that it may continue to act as
1 for the observations21 36 42 24 25 36 35 49 32verify that the sample mean trimmed mean and median are xoline 3333
a class of fourth-graders was asked to bring a pumpkin to school each of the 29 students counted the number of seeds in
suppose health inspectors rate sanitation conditions at restaurants on a five point scale where a 1 indicates poor
1 for the frequencies f1 12 f2 18 f3 15 f4 10 f5 8 and f6 5 verify that the sample mean is 32 for the
in given exercise what is your estimate of the standard deviation sigmaexercisefor the observations21 36 42 24 25 36 35
1 in general will the winsorized sample variancesw2 be less than the sample variance s22 among a sample of 25 subjects
1 for the observations6 3 2 7 6 5 8 9 8 11verify that the sample variance and winsorized variance are 74 and 18
for the data in given exercise determine the ideal fourths and the corresponding interquartile rangeexercisefor the
for the data in given exercise which values would be declared outliers using the rule based on madexercisea class of
1 referring to the description of the population variance sigma2 devise a method of estimating sigma2 based on the
for a sample of n subjects the relative frequencies are f0n 2 f1n 4 f2n 2 f3n 15 and f4n 05 the sample mean is 145
1 for the values 1 2 3 4 5 6 7 8 9 and 10 there are no outliers if you increase 10 to 20 then 20 would be declared an
1 for the data in given table verify that the value 305 is an outlier based on a boxplot2 given figure shows a boxplot
1 explain the meaning of a 95 confidence interval2 if you want to compute a 80 92 or 98 confidence interval for micro
1 assuming random sampling is from a normal distribution with standard deviation sigma 5 if you get a sample mean of
1 a manufacturer claims that their light bulbs have an average life span of micro 1200 hours with a standard deviation
1 describe the two components of a random sample2 if n 10 observations are randomly sampled from a distribution with
answer the same question posed in exercise 1 except replace means with sample variancesexercise 1in exercise 2 again
1 estimate the variance and standard error of the sample mean for a random sample of n 8 subjects from whom you get2 6
as part of a health study a researcher wants to know the average daily intake of vitamin e for the typical adult
1 estimate the variance and standard error of the sample mean when you randomly sample n 8 subjects and get2 6 10 1 15