7. In each case, write an equation that models the situation described. a) An antique is purchased for $5000 in 1990. It appreciates in value by 3.25% each year b) A town had 2500 residents in 1990. It grew at a rate of 0.5% per year for years. single bacterium of a particular type takes one day to double. The population is P after days.

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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