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WPC 300 Exam Answers New Update (A+ Pass) which of the following propostiton describes an existing theory or belief in a population - Answers - null hypothesis if the confidence level is 98%, what is the margin of error in your statistical test - Answers - 2% the one-sample z-statistics is used instead of the one-sample t-statistics when - Answers - when sigma is known sample of size 25 are selected from a population with mean 40 and standard deviation 5. the mean of the sample mean ...

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WPC 300 Final Exam (2024) || All Questions & Answers (Graded A+) WPC 300 Final Exam (2024) || All Questions & Answers (Graded A+) Which of the following describes a positively skewed histogram? a histogram for which mean and mode values are the same. a histogram that has no fluctuation in mass a histogram with large kurtosis a histogram that tails off towards the right - ANSWER - a histogram that tails off towards the right When two variables are highly positively correlated, the c...

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WPC 300 FINAL EXAM (2023/24) || Questions & Answers (Graded A+) WPC 300 FINAL EXAM (2023/24) || Questions & Answers (Graded A+) What is the confidence interval when the level of significance is 0.07? - ANSWER - 0.930 The WPC Sports Company has noted that the size of individual "customer order" is normally distributed with a mean of $100 and standard deviation of $12. If a soccer team of 16 players were to make the next batch of orders, what would be the standard error of the mean? - AN...