What type of data are these? Which of these apply: quantitative (discrete or continuous?), qualitative (ranked or unranked?), cross-sectional, or time-series?
a. A random sample of adult Moncton residents is surveyed, and data recorded about whether they are male or female, and whether they have fitness club memberships.
b. The type of payment method used was recorded for a random sample of 100 customers from four different store locations.
c. The number of pedestrians passing two prospective store locations in a given week was recorded.
d. A restaurant owner who is trying to decide which of two chefs to promote asks a sample of diners to rate the food made by each of the chefs, on a scale of 1 to 4, where 1 corresponds to "barely edible" and 4 corresponds to "absolutely delicious."
e. A company collects data for the past 10 years on sales and advertising.