Questions and answers by

tryingtosecurethebag

Questions (11)

What is the meaning behind critical values? Like if I have a confidence interval of 95 (in which the z-score in 1.96) and I have
1. 1 answer
2. 415 views
The question is asking how to calculate the confidence interval for p. The sample size/n is given and the mean of that sample
1. 1 answer
2. 361 views
Question: Between test 1 (score of 230 and mean of 210 and standard deviation of 22) and test 2 (score of 80 and mean of 70 and
1. 3 answers
2. 610 views
Question: If a distribution has a mean of 100 and a standard deviation of 15, what value would be +2 standard deviations from
1. 2 answers
2. 2,166 views
Can someone break down what each symbol of these formulas mean?σ y-bar = σy/squareroot N σ(with ^) p subscript = square root
1. 0 answers
2. 311 views
Question: Find the weighted average.value f 8 8 7 12 6 10 5 4 4 3 3 0 2 0 1 1 My work: ybar= (8x8)+ (7x12) + (6x10) + (5x4)+
1. 2 answers
2. 421 views
How do you find the area that is beyond a z-score?
1. 1 answer
2. 546 views
The question:If α =.05, 2-tail, would you consider responses of 9 or more words to be a rare occurrence? Why or why not? How
1. 0 answers
2. 475 views
Question: For a normal distribution, use the given z-scores to find the requested probability:Probability is greater than or
1. 2 answers
2. 482 views
The question:If α =.05, 2-tail, would you consider responses of 9 or more words to be a rare occurrence? Why or why not? How
1. 1 answer
2. 459 views
Hello, I am trying to make sure that I'm doing this right.Question: Determine the probability that a randomly drawn respondent
1. 4 answers
2. 505 views