Arithmetic mean
Types of exercises: mean of a set of data, average spending.
Exercises are drawn at random from a large bank - every click gives a different set.
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How many kilometres did the cyclist ride on average per day?
This is how many kilometres a cyclist rode on each day: Monday: 5, Tuesday: 22, Wednesday: 18, Thursday: 12, Friday: 17, Saturday: 28.
How many zloty was the electricity bill on average in these months?
These were the electricity bills in each month: January: 132.00 zloty, February: 114.80 zloty, March: 109.50 zloty, April: 163.30 zloty.
What was the mean noon temperature on these days?
This is the temperature at noon, in degrees Celsius, on each day: Monday: 18, Tuesday: 28, Wednesday: 18, Thursday: 16, Friday: 25.
How many zloty did the family spend on food shopping on average per week?
This is how much the Nowak family spent on food shopping in each week: week 1: 289.80 zloty, week 2: 199.90 zloty, week 3: 187.80 zloty, week 4: 317.30 zloty.
How many pupils are there on average in one fourth-grade class at this school?
This is how many pupils there are in each fourth-grade class at a school: class 4a: 21, class 4b: 27, class 4c: 29, class 4d: 29, class 4e: 29.
How many zloty was the electricity bill on average in these months?
These were the electricity bills in each month: January: 215.50 zloty, February: 199.50 zloty, March: 208.80 zloty, April: 211.00 zloty, May: 109.70 zloty, June: 172.10 zloty.
What was the mean noon temperature on these days?
This is the temperature at noon, in degrees Celsius, on each day: Monday: 21, Tuesday: 22, Wednesday: 28, Thursday: 14, Friday: 27, Saturday: 20.
How many zloty was the electricity bill on average in these months?
These were the electricity bills in each month: January: 145.90 zloty, February: 122.80 zloty, March: 107.20 zloty.
How many points did the team score on average per match?
This is how many points the school basketball team scored in each match: match 1: 68, match 2: 64, match 3: 43, match 4: 42, match 5: 53.
How many zloty did Julia spend at the tuck shop on average per day?
Julia wrote down how much she spent at the school tuck shop on each day: Monday: 2.20 zloty, Tuesday: 3.40 zloty, Wednesday: 4.90 zloty, Thursday: 6.30 zloty, Friday: 2.70 zloty.
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