1. By using decimal multipliers, calculate the following, giving your answer to the nearest
penny/cent: (and showing the multiplication you
use)
a. 13% of £56
b. 74% of £3.20
C. 130% of £77.10
d. 31% of £8.41
e. 1.5% of £75
f. £80 after an increase of 20%
g.
£35 after a decrease of 10%
h. £46 after an increase of 2%
i. £103 after a decrease of 30%
j. £70 after an increase of 5.5%
k. $840 after an increase of 125%

Two researchers are attempting to create a new psychotherapy protocol that more reduces panic attacks. they believe that they have succeeded and are now in the clinical trial period of their protocol's development. they are working with several cohort groups, some of which have been through the new protocol, while others have done the standard protocol currently recommended. if these researchers are interested in evaluating the difference in the percentage of test subjects who successfully decreased their panic attacks in 2 months on the new protocol versus the percentage of test subjects who successfully decreased their panic attacks in 2 months with the traditional protocol, which of the following statistical tests would be most appropriate? a. analysis of variance (anova) b. correlation c. chi-square test d. paired t-test e. independent t-test