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A sample of 100 people is classified by gender (male/female) and by whether or not they are registered voters. The sample consists of 80 females and 20 males, and has a total of 60 registered voters. If these data are used for a chi-square test for independence, what is the total number of females for the expected frequencies?
32204880
If the probability of no accidents during a 24 hour period is 0.1353, what is the mean number of accidents per 24 hour period?
What is the probability that a student who has failed the test came from the South District?
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.
The natural number 28A9B consists of different numbers and A is not equal to 0. When the number is divided by 9 the remainder is 7 and when it is divided by 5
Using given data table, find out midpoint for class with greatest frequency?
A linear regression equation is computed for a sample of n = 18 pairs of X and Y scores. For the analysis of regression testing the significance of the equation, what are the df values for the F-ratio?
Test the proportions of yellow fire trucks have a significantly lower accident rate.
What happens to the probability of getting exactly 50% heads?
Standard deviation of Rs. 1000. assuming the starting salaries follow a normal distribution: What is the probability that the starting salary will be more than Rs. 12000.
Discuss the issue of statistical power in non-parametric tests (as compared to their parametric counterparts). Which type tends to be more powerful? Why?
Find the confidence interval for the difference of the two means - Is there a significant difference in teacher's salaries between two states
What is the coefficient of determination, and wat is its meaning?
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