Statistics and Data Analysis: Wk 6
... Standard Error of the Mean Whilst the standard deviation tells us about the distribution of the values for a given data set, the point estimate (e.g., of the mean), also has an associated error. A simple yet effective method to calculate the standard error is via repeat sampling. For example: suppo ...
... Standard Error of the Mean Whilst the standard deviation tells us about the distribution of the values for a given data set, the point estimate (e.g., of the mean), also has an associated error. A simple yet effective method to calculate the standard error is via repeat sampling. For example: suppo ...
name
... 13. An experimenter finds that the mean speed of locomotion of a snail species is 12 cm / hour with a standard deviation of 2. If the experimenter converts the speed to mm / hour, which of the following is correct in terms of the new units ? a) mean = 120, variance = 400 b) mean = 120, variance = 40 ...
... 13. An experimenter finds that the mean speed of locomotion of a snail species is 12 cm / hour with a standard deviation of 2. If the experimenter converts the speed to mm / hour, which of the following is correct in terms of the new units ? a) mean = 120, variance = 400 b) mean = 120, variance = 40 ...
Laws of Logic and Rules of Evidence
... • Comparing a and c: the estimated difference is c - a = 2.10 with a pooled s.d. of 1.7004. Even though the estimated difference is larger, the pooled s.d. is also much larger and the sample sizes are both small. Consequently the difference is not significantly different from 0. ...
... • Comparing a and c: the estimated difference is c - a = 2.10 with a pooled s.d. of 1.7004. Even though the estimated difference is larger, the pooled s.d. is also much larger and the sample sizes are both small. Consequently the difference is not significantly different from 0. ...