You add up all the data points and divide by the number of data points.

What do we have to do first before we can determine the standard deviation of a set of data? (What other values do we need first?)

You need the mean! You also need how far each data point is from the mean. See this visually in the "study of birds in the ...

Solution Summary

This discussion (299 words) is in everyday language suitable for novice. The response includes a powerpoint presentation about the normal curve and z scores, a data set in Excel that computes the statistics in a live model permitting the student to play with the data and change the statistics.

... Assume a standard deviation of $8800. ... b) The sample mean is? c) Determine the sampling of the sample mean for sample sizes 256 d) What is the probability ...

... c) What is the impact of risk on your decision ... A grocery store is trying to determine the optimal ... They have (based on historical figures) determined that their ...

... of the life expectancy can be estimated by the sample standard deviations, since the ...What is the p-value ... In order to determine which way she should travel on a ...

Determining the P-value of a statistical analysis. ... test, but I need help answering what's highlighted in ... variance, evaluate the p-value and determine if there ...

... can be used when you know and want to determine the sample ... 4 WHAT DETERMINES SAMPLE SIZE ... And finally what about sample size to detect a correlation, for example ...

... 1. What's the standard deviation of that probability ... and are statistically independent, what's the probability ... so I can follow how you determined the answers? ...

... the result anyway, since it's what's making my ... both the mean and standard deviation, leaving that ... for how to determine standard deviation from experimental data ...

... For each of the following six questions, determine whether the ... carries a higher level of risk (high standard deviation). ... 7. What is the value of a perpetuity of ...