The starter and exit quiz of the lesson “Checking understanding of statistical problems”, from the unit “Sampling” (Year 10 Maths) by Oak National Academy.
Free to use. Edit it, share it and hand it out to your students.
Oak National Academy
12 questions
Match each summary statistic to its definition.
Sam collects data on how many sweets are in 9 different packs. The results are 13, 12, 11, 9, 8, 8, 10, 8, 11. The modal number of sweets is ___.
Sam collects data on how many sweets are in 9 different packs. The results are 13, 12, 11, 9, 8, 8, 10, 8, 11. The median number of sweets is ___.
Sam collects data on how many sweets are in 9 different packs. The results are 13, 12, 11, 9, 8, 8, 10, 8, 11. The mean number of sweets is ___.
Sam collects data on how many sweets are in 9 different packs. The results are 13, 12, 11, 9, 8, 8, 10, 8, 11. The range in the number of sweets is ___.
This set of data has two values missing. \square, 5, 6, 7, 8, \square, 5, 6, 8. The mean of the data is 6, the mode is 5 and the median is 6. Select the missing data values.
Select all the types of average.
Data has been collected and processed about the number of sweets per packet in 3 different multipacks. The company claims ‘an average of 12 sweets per pack’. Which multipack best supports the claim?
Izzy and Jun compare their scores in their last 10 maths tests. The tables show the summary statistics. Select the statements that are correct about their **mean** scores.
Izzy and Jun compare their scores in their last 10 maths tests. The tables show the summary statistics. Select the statement that is correct about their **median** scores.
Jacob went to the library and surveyed 10 adults in the library to find out how many books they read in a month. The mean was 2 books. Jacob says, "All adults read 2 books a month." Is he correct?
The table of summary statistics shows the number of days of air frost each day in December over the last 10 years. Select the correct statements.
