Chapter 15
... The null hypothesis H0 states the claim that we are seeking evidence against. The probability that measures the strength of the evidence against a null hypothesis is called a P-value. A test statistic calculated from the sample data measures how far the data diverge from what we would expect if the ...
... The null hypothesis H0 states the claim that we are seeking evidence against. The probability that measures the strength of the evidence against a null hypothesis is called a P-value. A test statistic calculated from the sample data measures how far the data diverge from what we would expect if the ...
Take the heat Data Activity (2)
... By just looking at the bar graph, you can sometimes make a guess as to whether or not the apparent difference between two sets of measurements is statistically significant. For example, the means may seem clearly different and the error bars may not overlap, suggesting that the difference between th ...
... By just looking at the bar graph, you can sometimes make a guess as to whether or not the apparent difference between two sets of measurements is statistically significant. For example, the means may seem clearly different and the error bars may not overlap, suggesting that the difference between th ...