Daily Practice · Foundation
November 2008 5-a-day
Printing for a group?
The batch download puts all 2 tiers' November 2008 sheets in a single PDF, each tier behind its own divider page - 60 sheets in one file.
Every sheet in November 2008
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st November 2008On a pyramid where male bars point left and female bars point right, the bar for females aged 20-24 is longer than the bar for males aged 20-24. What does this tell you?
- 2nd November 2008Describe, using the mean and median, how you could tell that a distribution is positively skewed without drawing a graph.
- 3rd November 2008A sample of 25 students from a school of 500 found that 5 walk to school. Estimate how many of all 500 students walk to school.
- 4th November 2008Find the mean of 4, 7, 9, 12, 18.
- 5th November 2008A researcher wants a sample of 50 from a population of 500 using systematic sampling, with a random start of 4. List the first three people selected.
- 6th November 2008What is a control group used for?
- 7th November 2008A grouped frequency table has intervals of unequal width, 0 <= x < 10 and 10 <= x < 40. Explain why this could make the table misleading when drawing a histogram.
- 8th November 2008A pie chart represents 200 people. One sector has an angle of 45 degrees. How many people does it represent?
- 9th November 2008Out of 25 pupils, 12 like football, 9 like tennis, and 4 like both. How many like neither sport?
- 10th November 2008A scatter graph shows points that generally rise from bottom left to top right. What type of correlation does this show?
- 11th November 2008A scatter graph shows that as temperature increases, the number of hot drinks sold decreases. What type of correlation is this?
- 12th November 2008For a class, the Spearman's rank correlation coefficient between shoe size and spelling test score is rs = 0.15. Describe the correlation.
- 13th November 2008A company pilots its customer feedback survey on 20 customers before sending it to all 5000 customers. Explain why using only 20 people is still useful.
- 14th November 2008A student uses last year's census results for her project instead of running her own survey. Is this primary or secondary data?
- 15th November 2008A class of 15 students has a mean score of 30. When combined with another class of 25 students, the combined mean of all 40 students is 40. Find the mean score of the second class.
- 16th November 2008A survey of favourite colours gives: Red 6, Blue 9, Green 4, Yellow 5. How many people were surveyed in total?
- 17th November 2008A bar chart shows the bar for 'Bus' with height 40 and the bar for 'Walk' with height 25. How many more pupils travel by bus than walk?
- 18th November 2008A stem-and-leaf diagram has rows: 0|5 8, 1|2 2 6, 2|1. How many data values are there in total?
- 19th November 2008For 80 data values, at what cumulative frequency do you read across to find the lower quartile?
- 20th November 2008Two neighbouring regions on a choropleth map are shaded the same colour. What can you conclude about their values?
- 21st November 2008Which percentile is the same as the median?
- 22nd November 2008A spreadsheet shows the formula =SUM(F1:F5)/COUNT(F1:F5) in cell F6. What statistical measure does this formula calculate?
- 23rd November 2008State two things that should be decided during the planning stage of the enquiry cycle.
- 24th November 2008State whether interviewing shoppers face-to-face about their favourite supermarket is primary or secondary data collection.
- 25th November 2008For the ordered data 6, 9, 11, 14, 16, 18, 20, 23, 25, 28, find the interquartile range.
- 26th November 2008A pictogram key shows 1 symbol = 6 cakes. A row has 1 symbol and a third of a symbol. How many cakes does the row represent?
- 27th November 2008A spinner with sections A, B and C is spun alongside a fair coin. How many outcomes are in the sample space, and what is P(getting C and Heads)?
- 28th November 2008A class interval is 20-30 with frequency 8. Give the coordinates of the point plotted for this class.
- 29th November 2008A time series shows sales peaking every December for five years in a row. What is this repeating pattern called?
- 30th November 2008Express a risk of 1/20 as a percentage.