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Describe ways in which the use of MS Excel as a tool for interpreting data can be used by a manager of an organization. What potential legal and ethical issues could arise if the information gained in this survey was used to create an ideal profile of characteristics that the company looked for when hiring employees?
To demonstrate the effectiveness of the drug, a researcher selects a sample of n = 25 children diagnosed with the disorder and measure each child's attention span before and after taking the drug.
Calculate and interpret the appropriate statistical test to determine the relationship between the following two variables. Use the five-step model of hypothesis testing to draw conclusions at the .05 level of significance
An automobile insurance company estimates the following loss probabilities for the next year on a $25,000 sports car:
The business estimates the true population standard devuation is around $2,400.If yhe confidence level is 90%, find the required sample size in order to meet the desired accuracy.
What are the assumptions of regression analysis and how do you evaluate them?
Two colored dice are tossed. What is the probability that the sum of the numbers shown on the upper faces is equal to 7?
Use the population mean and standard deviation to find the z-score corresponding to 14.5%, the rate offered by the Bar Harbor Bank and Trust Company. Is this above or below the average?
What is the value of the test statistic and decision? Show step by step on how you obtained your final answer.
Sampling area consisted of an area of 120m x 50m within site two and was bordered by a road on one side and a stream on another.
Calculate expected value for each decision and choose the best one. Find out how much firm would be eager to pay to a market research firm to gain better information about future market conditions.
Suppose a coin is flipped and a die is rolled. Let E1 denote the event "the coin shows a tail", let E2 denote the event "the dies shows a 3", and let E3 denote the event "the coin shows heads and the die shows an odd number".
Permutation chi square test to a regular chi square table test. What happens in situations, where assumptions of a chi square test are violated? Discuss.
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