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Compare and contrast quantitative and qualitative research designs. Identify and discuss some advantages and disadvantages for each type of research.
The sample mean is 50, the t-critical value is 1.96, and the standard error of the sample mean is 2.
Set up hypotheses to test if distribution of birthdays can be considered coming from uniform distribution.
Write up your results by using scientifically recognized form.
Using goodness-of-fit test and.01 level of significance, find out whether accidents are evenly distributed all through the day. Write a short description of your conclusion.
P-value to test hypotheses,
Researchers wanted to determine if there is a difference in the mean credit card debt owed by males versus females. Using α = 0.10, is there a difference. (Show all six steps of hypothesis testing.)
That's a much larger sample than standard sample surveys. In spite of this, we can't trust the result to give good information about any clearly defined population. Why?
State the appropriate set of hypothesis to test whether there is a relationship between the variables X and Y.
In exercise identify (a) sample and (b) population. Also, find whether sample is likely to be representative of population.
How much should a healthy shetland pony weigh? Let X be the age of the ponies in months and y be the average weight of the ponies, in kilograms.
When calculating correlation coefficient, what does a value of -2 indicate? Strong negative correlation, Weak negative correlation.
For monthly volume of 300 tables, find out total cost, total revenue, and profit.
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