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1. What are the only three ways to setup the Hypothesis (Ho & H^)? ( the last symbol "^" is in the bottom of the H)
2. What are the assumptions regarding a large one sample z-test and what Excel aid would you use to perform the test, Data Analysis or MacDolt?
3. What are the assumptions regarding a small one sample t-test and what Excel aid would you use to perform the test, Data analysis or MacDolt?
4. What are the assumptions regarding a small two sample t-test and what Excel aid would you use to perform the test, Data analysis or MacDolt?
5. What are the assumptions regarding an ANOVA test and what Excel aid would you use to perform the test, Data analysis or MacDolt?
6. Critically discuss the assumptions, if any, regarding a Chi-square test?
7. What are the assumptions to apply linear regression?
A five-star hotel accepts 100 room reservations daily. For each reservation accepted, there is a 7% chance that the guest will not arrive.
Compute a 3-month moving average forecast of demand for April through January (of the next year).
What can you tell me about the direction, strength and significance of this association and What would you expect for somebody without any formal education whatsoever and what can you tell me about the nature of this relationship?
Utilizing the 5% level of significance as there was a significant change in cholesterol level. Their total cholesterol levels before also after the diet.
Find out sample standard deviation (s) of scores Gordon Golfer made on his last four rounds (determine to the nearest one tenth, or .1).
Ace Jack had no idea whether the $100,000 he pays for training for his used car salespeople works.
How would you go about studying a nonlinear or curvilinear relationship between two variables using contingency tables and chi-square tests? Provide examples from you own professional experience.
A person must score in the upper 2% of the population on an IQ test to qualify for member ship in Mensa, the international high-IQ society. If IQ scores are normally distributes with a mean of 100 and a standard deviation of 15, what score must a ..
The ages of cars owned by all employees of a large company have a bell shaped distribution with a mean of 8 years and a standard deviation of 2 years. Using the empirical rule, find the approx. percentage of cars (owned by those employees) that are b..
What is the probability of obtaining 4 ones in a row when rolling a fair, six-sided die? Interpret this probability.
Construct a stem and leaf plot of the income. what do you predict about the shape of the population distribution. complete the following sentence. Fifty percent of the data falls below $ ______.
Establish a 99% Confidence interval about the difference in the proportion of the town voters and county voters who favor the proposal.
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