Confidence Interval Formula 2 Sample T Test. The sample standard deviation s is 0 4. T confidence interval formula confidence t alpha standard dev size the function uses the following arguments.
Mean of the second sample. The interval is 6 37 to 11 63 points on the test that the fifth and third graders chose. The significance level is equal to 1 confidence level.
The sample size n is 30.
Alpha required argument this is the significance level used to compute the confidence level. μ 1 μ 2 m1 m2 ts m1 m2. The 95 confidence interval for the difference in mean systolic blood pressures is. T confidence interval formula confidence t alpha standard dev size the function uses the following arguments.
