Ultrasound was used to gather the accompanying corrosion data on the thickness of the floor plate of an aboveground tank used to store crude oil, each observation is the largest pit depth in the plate, expressed in milli-in. 98 40 52 94 55 115 60 70 75 85 125 85 90 92 94 95 125 100 90 Find 1-Mean 2-Median 3- standard deviation

Yearly snow fall of a certain town follows a normal distribution with a mean of 37 inches and a standard deviation of 2.5 inches.  What is the z-score if in 2007 the snowfall was 40 inches?

Find the standard error of the sample mean such that we have 60 random samples with mean 25 and standard deviation of 13. (Round to 3dp)

How does the slightly different perspective make the standard deviation even more accessible?

The annual per capita consumption of oranges (in pounds) in the United States  can be approximated by a normal distribution. The mean annual per capita  of oranges is 19.2 with a standard deviation of 4 pounds.  what annual per capita consumption of oranges represents the 5th percentile?

what is the Mean Absolute Deviation? What is it's purpose?

what do the mean deviation, variance and standard deviation all have in common? How is this helpful with the calculations of these variabvariables.

popular standard deviation can be calculated in SPSS by .

Joe's average bowling score is 181, and is normally distributed with a standard deviation of 34. What z-score corresponds with a bowling score of 227 points?