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The local DQ kept track of the number of paying cuustomers during the noon hour for 100 days. The resulting statistics from their handy-dandy stats-pack-cruncher were as follows: Mean=95, Median=97, Q1(first quartile)=85, Mid-Range=93, Range=56, Q3(Third Quartile)= 107, Standard Deviation=12.
If one of these respondents is randomly selected, what is the probability of getting someone who has been in a car accident?
How would figure out a 90% and 95% confidence interval for the below informaion? What would be the formula? Can I figure this out in Excel or Megastat? How would I do that?
A researcher claims that the average age of people who buy lottery tickets is 70. A sample of 30 is selected and their ages are recorded as shown below. The standard deviation is 16. At alpha = 0.05 is there enough evidence to reject the researche..
What is the 95% confidence interval for the difference between the mean prices of the two models?
a man and a woman agree to meet at a cafe about noon. if the man arrives at a time uniformly distributed between 1140
the management of the ceebler fairy corporation is considering relocating the corporate office to a new location
What must be checked in order to compare two population means when you do not know the values of the population standard deviation? Which one?
the driving distance for the top 100 golfers on the pga touris between 284.7 and 310.6 yards. assume that the driving
At the 0.05 significance level, test the claim that the treatment (drug or placebo) is independent of the reaction (whether or not headaches were experienced).
groupmeanstdevpopulation nmen51411280382women48510392420the cutoff for mathematics scores is 550. how many texas men
Twenty-six percent of couples who plan to marry this year are planning destination weddings. In a random sample of 12 couples who plan to marry, find the probability that exactly 6 couples will have a destination wedding.
a standard deviation of 7.3 years. What is the 95% confidence interval estimate for the average number of years served by all Supreme Court justices?
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