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Why the normal can be used as an approximation to binomial and why continuity correction is necessary?
Describe why the normal distribution can be used as an approximation to binomial distribution. What conditions should be met to use the normal distribution to approximate the binomial distribution? Why is a correction for continuity essential?
Basic Statistics problem
Construct a 95 percent confidence interval for the true mean.
At 95% confidence, test to determine if more than 21% of the population will like the new soft drink.
Explain how much money do these people make each year. Suppose you read in your local newspaper that 45 officials in student services whioch is earned as an average.
Report descriptive statistics, assumptions tests, effect sizes (partial eta) as well as tests of statistical significance.
The p-value of the test is closest to:
Based on the answers to a through d, decide whether or not to reject the null hypothesis at the given significance level. Explain your conclusion in the context of the problem.
(A) What sums are needed to calculate a correlation coefficient? (B) What are the two ways of testing a correlation coefficient for significance?
What is the probability that all tree students pick a different card?
The summation sign is usually represented by:
Illustrate what amount of sales would be required to be a super savings club member. Elucidate amount of sales would be required to be a gold club status.
What sample size would be needed to obtain an error of ±10 square millimeters with 99 percent confidence?
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