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What are differences between parametric dependent and independent samples? My facilitator has been known to describe a scenario with two objects and an associated measurement versus another scenario with one object and two associated measurements in his on ground classes. Which is which? Provide concrete examples of each. Then explain the difference from nonparametric dependent and independent samples. What are implications for determining the tests used to analyze data? How is parametric data different from nonparametric data?
Draw the pmf of the Poisson distribution that results when the parameter α is equal to the following:
How many participants need to be enrolled in each group to have a 90% chance of detecting a significant difference using a two sided test with α =0.05 if compliance is perfect?
Critically discuss the mean number of children per household for these families? Round your answer to at least one decimal place.
Computing from a large sample, one finds the 95% confidence interval for 956; to be {6.8, 14.2}. Based on this information alone, determine the 90% confidence interval for 956
Using a level of significance of .10, is there evidence that the population mean weight of the candy bars is greater than 7.3? Explain.
It has been reported that 3% of all cars on the highway are traveling at speeds in excess of 70 mph. If the speeds of four random automobiles are measured via radar, what is the probability that at least one car is going over 70 mph?
Computing the probability values using normal distribution - Evaluate the percentage of homes that generate between 27 and 31 pounds of recycling per month.
If random sample of thirty six customer transactions points out that sample mean withdrawal amount is $172, is there evidence to think that population mean withdrawal amount is no longer $160? Determine the mean of data above?
Suppose you obtain a 100 bag random sample by taking 25 subgroups of 4 bags each, the mean weight of the 25 subgroups was 16.00 ounces with a total of the subgroup ranges of 87.5 oz.
If historical time series data is very limited, what type of forecasting approach would be useful.
Is the hot-air balloon significantly shorter than light rail? How can you tell? What do you tell university officials?
A new restaurant with 123 seats is being planned. Studies show that 57% of the customers demand a smoke free area. How many seats sould be in the non-smoking area in order to be very sure (mean + 3 Standard Deviation) of having enough seating ther..
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