Key Terms
What is an entire set of individuals, objects, or measurements of interest?
Population
Identify the level of measurement for customer satisfaction, on a scale from very disappointed to very satisfied
Ordinal
Luna's Bakery earned $4800 in revenue this month. Cookies were 50% of total revenue. What is the dollar amount for cookie sales?
$2400
The average number of passengers on commercial flights between Chicago and New York City is an example of a _________, but a listing of200 family incomes is not.
Statistic
Identify the level of measurement for the daily temperature, in degrees Fahrenheit
Interval
Luna's Bakery earned $4800 in revenue this month. Cupcakes were 30% of total revenue. What is the dollar amount for cookie sales?
$1440
What type of variable is categorized into either discrete or continuous variables?
Quantitative
Identify the level of measurement for the jersey number of a baseball uniform
Nominal
Luna's Bakery earned $4800 in revenue this month. Cupcakes were 30% of total revenue, and cakes were 20%. How much more revenue was earned from cupcakes than cakes?
$480
What are the four levels of measurement, in order from lowest to highest?
Nominal, ordinal, interval, ratio
Identify the level of measurement for the number of hours a student studies each week
Ratio
Luna's Bakery earned $4800 in revenue this month. Last month, the bakery earned $4000. What was the percent increase in revenue from last month to this month?
20%