Measures of Variability - Page 2
Questions
- What is the standard deviation of #1, 2, 3, 4# and #5#?
- Which data set has a larger standard deviation? First Data Set: 2, 4, 6, 8 Second Data Set: 12, 12, 12, 12
- If data with a normal distribution has a mean of 100 and a standard deviation of 15, what is the probability that a given value is greater than 110?
- What is the equation for standard deviation?
- If data with a normal distribution has a mean of 100 and a standard deviation of 15, what is the probability of a value being greater than 110?
- A test consists of 910 true or false questions. If the student guesses on each question, what is the expected standard deviation of the number of correct answers?
- Why is standard deviation not a measure of central tendency ?
- What is the formula for the standard deviation of a binomial distribution?
- How can standard deviation be used in investment analysis?
- How does standard deviation differ from standard error?
- What are the symbols for the sample variance and for the population variance?
- Can the standard deviation be greater than the mean?
- What does the standard deviation of a data set describe?
- What is the variance of the following numbers?: 63, 54, 62, 59, 52,
- What is the variance of the following numbers?: 11, 23, 45, 42, 39, 56, 51, 17, 22, 29, 46, 33, 38, 33, 31,
- Of the range and the standard deviation, which is more widely used in statistical analysis, and why?
- What is the variance of the following set of numbers?: {40, 56, 59, 60, 60, 62, 65, 69, 75, 84}
- What is the symbol for the sample standard deviation?
- What is the variance of a geometric distribution for a given probability?
- What are the variance and standard deviation of a binomial distribution with #N=124# and #p=0.85#?