For the data 1.01, 0.99, 1.12, 1.27, 0.82, 1.04, calculate the standard deviation under both of the following conditions.

(note you will have to carry some calculations out to the third decimal place to see the difference in calculations.)

a. For the Sample.

b. As an estimate of the population

c. Calculate the standard error for t using symbolic notation..

d. Calculate the t statistic, assuming µ=0.96

Assume we know the following for a two-tailed single-sample t test, at a p level of 0.05: µ=44.3, N=114, M=43, s=5.9

a. Calculate the t statistic

b. Calculate a 95% confidence interval

c. Calculate the effect size using Cohen's d

Assume 8 participants completed a mood scale before and after watching a funny video clip.

a. Identify the critical t value for a one-tailed, paired samples t test with a p level of 0.01.

b. Identify the critical t value for a two-tailed, paired samples t test with a p level of 0.01