T Test Example Problems With Solutions. You ll run a t test for independent samples. At a significance level of 0 025 there is enough evidence to support the claim that living in a minority environment leads to higher scores on the attitudinal survey.
How many degrees of freedom df at in this study 10. Two sample t test this example will use the same data as the previous example to test whether the difference between females and males average test scores is statistically significant. When the standard deviation of the sample is substituted for the standard deviation of the population the statistic does not.
Two sample t test this example will use the same data as the previous example to test whether the difference between females and males average test scores is statistically significant.
You ll run a t test for independent samples. Is the t significant. There is no special relationship between a data point from one group and any particular data point from a second. Look up the significance level of the z value in the standard normal table table 2 in statistics tables.
