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A Republican and a Democrat candidate for political office have each rated the 12 most recent pieces of legislation in their state from 1 (most beneficial to the state) to 12 (least beneficial). Given the data shown here, determine and interpret the Spearman coefficient of rank correlation. At the 0.02 level, does rs differ significantly from 0?
Legislation A B C D E F G H I J K L
Republican's ranking 1 2 3 4 5 6 7 8 9 10 11 12
Democrat's ranking 3 4 6 9 8 5 10 7 12 11 1 2
a certain grade egg must weigh at least 2 oz. if the weights of eggs are normally distributed with a mean of 1.5 oz and
in a pizzeria they offer eight different toppings for a pizza. moreover you are allowed to double any topping if you
The explanatory variable which is a measure of neighborhood socio-economic status variable RFM. Response variable is percent (%) of bicycle riders that wears a helmet.
During a meeting, one hospital administrator indicated that 70% of the geriatric patients are males. What is the sample proportion of male patients?
How many men and women are needed to generate a 95% confidence interval estimate for the difference in proportions with a margin of error not exceeding 4%?
a student randomly guesses the answers to six questions truefalse quiz. if there is a 50 chance of guessing correctly
1. What is meant by the sensitivity of a dependent measure? What are ceiling and floor effects?- What are demand characteristics? Describe ways to minimize demand characteristics.
The following data give the worldwide number of fatal airline accidents of commercially scheduled air transports in the years from 1997 to 2005 - Find the sample variance of the number of accidents in these years.
Perform hypothesis testing on one variable's data.
a random sample of 10 has a mean of 110. test the null hypothesis that micro 120 against the alternative hypothesis
Find the probability that the mean amount of electric bills for a random sample of 75 households selected from this city will be between $132 and $136. Round to 4 decimal places.
question the average price of a gallon of unleaded regular gasoline was reported to be 3.13 in illinois. use this
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