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You want to take a sample of DeBakey High School for Health Professions students to estimate the average duration in days of the most recent " love affair". Which sampling method do you think would work best: a Simple Random Sample, a Stratified Random sample with two strata (male/female), or a stratified random sample with four strata.
a) WHich sampling method from the choices listed above would be best? Describe how you would carry out your chosen sampling method of a student from part (a)
b) Describe 1 advantage of your chosen sampling method above.
You're considering paying $5 to buy a ticket in a local lottery. You were told that 10,000 tickets will be sold. There are 5 prizes. The first prize is $5,000, the second is $1,000, the third is $500, the fourth is $100 and the last prize is $10.
The conservative degrees of freedom for the t distribution are and The standard error, conservative degrees of freedom
Test either there is any difference among the given variable also what does the Levene's Test shows. What variable is presented in this table.
Multiple choice question based on multiple regression - The coefficient of determination for this model is
Index number acts as a barometer for measuring the value of money. What are the characteristics of an index number? State its utility.
In past, mean processing time was 45 days. At 0.05 level of significance, is there evidence that mean processing time has changed from 45 days?
If student is chosen at random, determine the probability that he or she is sophomore and owns a credit card.
Assuming that these are a random sample of all publicly traded companies, construct a 95% confidence interval for the overall noncompliance proportion.
For the sample of men, performance on the simulator task declined by an average of 2.9 points with s = 4.1. Is this a statistically significant change? Use a two-tailed test with = .05.
In this continuous production process, the amount of toothpaste put in a tube is normally distributed with a mean of 8.17 ounces and a standard deviation of 0.12 ounces. If the actual capacity of the tubes used is 8.49 ounces, what proportion of t..
According to the patient's history and physical examination. What are the chances of herniation if the MRI is positive?
Make use of Excel to determine the right-tail p-value.
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