Communicating Quantitative Information
... [Young] Women earning more than men in NYC • Study was on MEDIANs – Similar point can be made with mean, but not as simple ...
... [Young] Women earning more than men in NYC • Study was on MEDIANs – Similar point can be made with mean, but not as simple ...
Descriptive statistics for measurements of a single variable
... c. Tests to see if a population is normally distributed Although normally distributed populations are common, many other distributions are known. If you have a set of data, how can you determine if the underlying population is normally distributed? The short answer is that you cannot be 100% sure, a ...
... c. Tests to see if a population is normally distributed Although normally distributed populations are common, many other distributions are known. If you have a set of data, how can you determine if the underlying population is normally distributed? The short answer is that you cannot be 100% sure, a ...
Test 1 - La Sierra University
... Hints and Answers to Practice Questions for Test 1 1. (a) Interval---differences in time are meaningful, but ratios are not. For example, a first class at 3:00pm is not 1.5 times later than a first class at 2:00pm. (b) Ratio---differences in time make sense as do ratios. For example, if Student A ta ...
... Hints and Answers to Practice Questions for Test 1 1. (a) Interval---differences in time are meaningful, but ratios are not. For example, a first class at 3:00pm is not 1.5 times later than a first class at 2:00pm. (b) Ratio---differences in time make sense as do ratios. For example, if Student A ta ...
Statistical Justification of Animal Numbers Used in Research and Teaching Overview:
... Increasing the sample size doesn’t change the probability of making an incorrect inference given the same alpha, but the precision will change. Alpha versus p value The alpha is the criteria set a priori to conducting the experiment. It defines the cut-off outside of which the statistical results w ...
... Increasing the sample size doesn’t change the probability of making an incorrect inference given the same alpha, but the precision will change. Alpha versus p value The alpha is the criteria set a priori to conducting the experiment. It defines the cut-off outside of which the statistical results w ...
