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Find the standard deviation for the group of sample data items (to the nearest hundredth).
Set up a table and show your work
Sample: 8, 9, 10, 11, 12.
Given that z is a standard normal random variable, compute the following probabilities.
in keno there are 80 balls numbered from 1 to 80 and 20 are chosen at random. if you play a double number you win if
Twenty five young people were sampled in a survey to be used in determining the average expenditures (in dollars) for an evening of dining out.Create a cumulative relative frequency Ogive chart.
How many bags of each type should be produced and what is the maximal profit? Which constraints arebinding?
Show that marginal cost and marginal revenue are given by? Show that the profit maximizing quantity which equates marginal revenue and marginal cost is?
according to the information please almanac. 80 of adult smokers started smoking before turning 18 years old. suppose
jeff has an opportunity to invest his money. he can make a profit of 8000 with a probability of 0.4 a profit of 15000
Yule ran a regression of changes in pauperism on changes in the out-relief ratio, with changes in population and changes in the population aged 65+ as control variables. He used data from three censuses and four strata of unions, the small geograp..
A test is given to graduates of tw buisness schools A and B. The scores are given out of 100. Test whether the school differ in quality by using Mann- Whitney U- test with a 10% level of significance.
Test the validity of these statements indirectly by taking a logarithmic transformation of the data, and carrying out an appropriate analysis of the resulting log-transformed data. Compare the results with those obtained in (i).
compute the pearson correlation for the following set of scoresx 2 3 4 2 4y 2 7 6 4 6can you please show your
you want to develop a 90 confidence interval with a margin of error of 7. if the population standard deviation is 49
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