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Below are randomly selected passenger car and taxi ages from a large city. Use the Wilcoxin Rank Sum test for independent samples to determine if the median age of a car and a taxi are different.
CARS: 4 0 8 11 14 3 4 4 3 5 8 3 3 7 4 6 6 1 8 2 15 11 4 1 6 1 8
TAXI: 8 8 0 3 8 4 3 3 6 11 7 7 6 9 5 10 8 4 3 4
The study does provide sufficient evidence to support the claim that less than 75% of college student spend less than $250 per semester on textbooks.
What statistical procedure was used to analyze data in study B?
Find out the following Standard deviation of the swipe rate, What percentage of subway riders should re-swipe the card as they were outside acceptable range?
In a sample of 1200 police officers, the mean annual salary was $33,000 and the standard deviation was $3200. A random sample of size 70 is drawn from this population. What is the probability that the mean annual salary is between $32,000 and $32,..
What is the difference between evaluation and simplification of an expression? How does a term differ from a factor?
The president of the American Insurance Institute wants to compare the yearly costs of auto insurance offered by two leading companies.
Correlation based on Scatter Plot - Draw the scatter plot for the variables.
Chicken Delight claims that 84 percent of its orders are delivered within 10 minutes of the time the order is placed. A sample of 70 orders revealed that 55 were delivered within the promised time.
Each time marksman i fires he hits the target,independently of the past, with probability P i,i=1,2,3. Determine the proportion of time, in the long run, that each marksman shoots.
Use either Linear Programming module or Transportation module of Cd to minimize the shipping costs involved in move.
A local health care company wants to estimate the mean weekly elder day care cost. A sample of 10 facilities shows a mean of $250 per week with a standard deviation of $25. What is the 90 percent confidence interval for the population mean?
If "fair" coin is tossed four times and comes up heads all four times, probability of heads on the fifth trial is?
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