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A salesperson obtained a systematic sample of size 25 from a list of 500 clients. To do? so, he randomly selected a number from 1 to 20?, obtaining the number 13. He included in the sample the 13th client on the list and every 20th client thereafter. List the numbers that correspond to the 25 clients selected. Explain how you got the answer.
Victor Anderson, the owner of Anderson Belts, Inc., is studying absenteeism among his employees. His workforce is small, consisting of only five employees. Determine a typical seasonal index for each of the four quarters
Find the mean, variance, and standard deviation. Construct a frequency table with ?ve classes.
You need to estimate the mean Christmas sales across a large chain of jewelry stores. You want to estimate this mean value to within $100 with 99% confidence
a company makes electric motors. the probability an electric motor is defective is 0.01. what is the probability that a
What is a conservative 95% confidence interval for the population proportion that would have responded, "More of a threat?" Give your answer for the population percentage as well.
Using a previous exercise about Hallux abducto valgus (HAV) (deformation of the big toe that often requires surgery). Doctors used x-rays to measure the angle (in degrees) of deformity in 38 consecutive patients under the age 21 who came to a medi..
Compare the differences of Simple random sampling & Cluster sampling using specific examples, and show the pros and cons of each method.
hamilton county judges try thousands of cases per year. in an overwhelming majority of the cases disposed the verdict
Can the college conclude that the students in the new program are significantly different from the freshman class? Use a two-tailed test with an alpha level of .05?
Describe the omitted variable bias problem in linear regression. How does an instrumental variable addresses this problem? Explain the assumptions under which an instrumental variable is valid. What is the interpretation of the coefficient on the ..
Drawing the standard normal curve and indicating the area representing the probability and
a basketball team at a university is composed of ten players. the team is made up of players who playthe position of
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