The scatter diagram is an appropriate display of bivariate data when both variables are quantitative.
Indicate whether the statement is true or false
Q. 2According to Chebyshev's Theorem at least 75 of all the data in a particular sample lies between 74.5 and 82.9 . Find the sample standard deviation for this sample.
Q. 3According to Chebyshev's Theorem, how many standard deviations on both sides of the mean do you need to go so that at least 96 of the distribution is covered?
Q. 4For a normal distribution, a value that is one standard deviation above the mean would be approximately the same as what percentile?
Q. 5A set of measurements has a mean equal to 35.5 and a standard deviation equal to 3.0 . At least what percent of the data falls between 31.0 and 40.0?
Q. 6The lifetimes of electronic components have a mean equal to 2.5 years and a standard deviation equal to 0.2 years. Within what time interval will at least 75 of the lifetimes fall?
Q. 7Complete the following statement: According to the Empirical Rule, ________ of the data for any distribution will occur within one standard deviations of the mean of the distribution.
Fill in the blank(s) with correct word
Q. 8A sample of size 100 from a normal population has a mean of 110 and a standard deviation of 10.0 . Using the Empirical Rule, about how many items of the sample will be above 130?
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