11.2 Stats LT Reviewer

find the percentage of the data set and the values that will fall within 2 standard deviations if the mean is 12 and the standard deviation is 3

At least _____ of the data values fall between _____ and _____ .

According to Chebyshev's Theorem, at least 93.75% of the data values will fall within ___ standard deviations of the mean.

According to Empirical Rule, approximately 95% of the data values will fall within ___ standard deviations of the mean.

Approximately what percentage of the data will fall between -100 and 200 if the mean is 50 and the standard deviation is 150? Assume the distribution is symmetric.

At least what percent of the distribution will not fall within 3.5 standard deviations from the mean? Round off the final answer to two decimal places.

If the mean is 25, approximately 95% of the data values will fall between 20 and 30, and 99.7% of the data values will fall between _____ and _____ . Assuming the distribution is bell-shaped.

Round off the final answers to one decimal place.

find the percentage of the data set and the values that will fall within 2 standard deviations if the mean is 10 and the standard deviation is 1.5. Assume the distribution is symmetric

Approximately _____ of the data values fall between _____ and _____

How many standard deviations of the values will fall between 18 and 28 if the mean is 23 and the standard deviation is 2?

Using Empirical Rule, approximately what percentage of the data values will not fall within 2 standard deviations of the mean?

Complete the sentence below if the mean is 100 and the standard deviation is 4.

At least 88.89% of the data values will fall between _____ and _____ .