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Consider the following data set.
13 13 12 20 22 24 16 15 17 20 21 18 21
a) Determine Katherine quantiles f,or this data
b) Determine the interquartile range for this data.
a) The first quartile is _________, the second quartile is _________, and the third quartile is ___________
(Type integers or decimals)
b) The interquartile range is _________.
(Type an integer or a decimal)
a client gives you a data set of 30 observed values that represent the number of gallons of gas that 30 individual
A random sample of 36 drinks from a soft drink machine has an average content 7.6 ounces with an standard deviation of 0.48 ounces. Test the hypothesis ounces against the alternative hypothesis at the 0.05 level of significance.
the average height of a female in the united states is 63.7 inches with a standard deviation of 2.7 inches. assume that
Find the number z such that 22% of all of observations that are less than z in a standard observations from a standard normal normal distribution is 0.98.
suppose the average cholesterol level of children ages 2-14 is 175 mgdl with a standard deviation 30 mgdl. recently
It is important for airlines to know the approximate total weight of the baggage carried on each airplane. An airline researcher believes that the mean baggage for each adult is 60 kg. To test his belief, he draws a random sample of 50 adult passenge..
When a large shipment of alternators is received at the plant, 100 are tested and if more than two are nonconforming, the shipment is returned to the alternator manufacturer. What is the probability of returning a shipment?
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A sample of 200 ROM computer chips was selected on each of 30 consecutive days, and the number of nonconforming chips on each day was as follows:
You have been asked to analyse Grand Plomp Ltd, a maker of rocket widgets used by NASA. The owners are wondering whether the return received is sufficient to justify the risks taken in each division.
forty percent of all high school graduates work during the summer to earn money for college tuition for the upcoming
Find the 95% confidence interval of the mean score for all golfers if this is a sample of 110 golfers instead of a sample of 93.
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