Which of the three normal curves below has the lowest mean? Lowest standard deviation? A (В Lowest mean: B Lowest standard deviation: C Lowest mean: C Lowest standard deviation: A Lowest mean: A Lowest standard deviation: C Lowest mean: A Lowest standard deviation: A A B C

Define the term standard deviation?

A normal distribution has a mean of 3.7 and a standard deviation of 2.3. What is the median?

What is the lowest standard deviation value ?

Response time is an important statistic for measuring the effectiveness of a fire department, and is measured as the difference between the time a fire station receives a call and the time the first piece of fire equipment leaves the station. The response times for fire departments in a large city are found to have an approximately Normal distribution, with a mean of 4.5 minutes and a standard deviation of 1.2 minutes. What percentage of fire station response times are under 3 minutes? Find the z-table here. https://r03.core.learn.edgenuity.com/contentviewers/Emissary/OpenEmissaryLink/?a=http%3A%2F%2Fmedia.edgenuity.com%2Fcontentengine%2Fcommon%2F%2Fpassages%2F3112%2F1-3112-common-docs%2F3112-z-table.html&t=111000000000&l=&s=f2b2af05-7f11-ec11-8255-ef70046ba7f2 6.68% 10.56% 89.44% 93.32%

Head circumferences of some males have a bellshaped distribution with a mean of 57 centimeters and a standard deviation of 3 centimeters. What is the variance of head circumferences of adult males?

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?

The height of men in the United states fits with a normal distribution with a mean of 70 inches and a standard deviation of 3 inches. What height represents the 50th percentile of men heights in the United states?

What relation exists between the average deviation of the mean?

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?