Please help me solve these, thank you!!

Set A. Determine what descriptive statistic or inferential test is appropriate for each problem in this set. 16.3. As part of a 2-week treatment for phobias, a therapist measured the general anxiety level of each client four times: before, after 1 week of treatment, at the end of treatment, and 4 months later. 16.6.A measure of dopamine (a neurotransmitter) activity is available for 14 acute schizophrenic patients and 14 chronic schizophrenic patients. Do acute and chronic schizophrenics differ in dopamine activity? 16.8. Based on several large studies, a researcher knew that 40% of the public in the United States favored capital punishment, 35% were against it, and 25% expressed no strong feelings. The researcher polled 150 Canadians on this question to compare the two countries in attitude toward capital punishment. 16.11. A consumer testing group compared Boraxo and Tide to determine which got laundry whiter. White towels were subjected to a variety of lthy treatments, identied on each end, and cut in half. Each 11an was washed in either Boraxo or Tide. After washing, each half was tested with a photometer for the amount of light reflected. 16.12. To predict an adult male '5 height from his length at birth, an investigator obtained records of both measures. 16.13. An experimenter is interested in the effect of expectations and drugs on alertness. Each participant is given an amphetamine (stimulant) or a placebo (an inert substance). In addition, half in each group are told that the drug taken was a stimulant and half that the drug was a depressant. An alertness score for each participant is obtained from a composite of measures that included observation and a questionnaire. 16.17.An investigator wondered whether a person's education is related to his or her satisfaction in life. Both of these variables can be measured using a quantitative scale. 16.18. To nd out the effect of a drug on reaction time, an investigator administered 0, 25, 50, or 75 milligrams to four groups of rats. The quickness of their response to a tipping platform was measured in seconds