Determine whether the data are from a discrete or continuous data set.

Fitness Club: A fitness trainer at a local gym records the number of members who complete a full-body workout session each day.

Determine whether the sampling method mentioned below appears to be sound or is flawed. Give a reason.

A total of 1,500 individuals participated in an online survey on a health-focused website. The question posed was: 'Do you consider organic foods to be healthier than non-organic foods?' The respondents were site visitors who opted to take part in the poll.

The table below shows data collected over five years, including the number of ice cream cones sold (in thousands) and the number of drowning incidents reported at public beaches during the same years.

If we were to use the sample data and conclude that there is a correlation or association between ice cream sales and drowning incidents, does it follow that ice cream sales are the cause of drowning incidents?

The expression below is used to assess whether the average resting heart rate of adults significantly differs from the commonly accepted value of 72 beats per minute. Calculate the given value and round your answer to two decimal places.

$\frac{(70.5-72)}{\frac{1.8}{\sqrt{120}}}$

Which of these designs is most suitable for the given experiment?

Blood Pressure Medication Study: A new drug is being tested to lower blood pressure. In a clinical trial, the blood pressure of each participant is measured before and after taking the medication.