Daily Practice · Foundation
June 2007 5-a-day
Printing for a group?
The batch download puts all 2 tiers' June 2007 sheets in a single PDF, each tier behind its own divider page - 60 sheets in one file.
Every sheet in June 2007
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st June 2007Using the relative frequency from the spinner above, estimate how many times it would land on blue in 300 spins.
- 2nd June 2007A spinner has P(win) = 0.3. It is spun twice, independently. Find the probability of winning both times.
- 3rd June 2007On a population pyramid, which axis shows the age groups?
- 4th June 2007A box plot shows a long whisker on the left and a short whisker on the right, with the median close to the right of the box. What type of skew does this suggest?
- 5th June 2007A survey of 30 shoppers out of 900 in a store found the mean amount spent was 18.50 pounds. What is the best estimate of the mean amount spent by all 900 shoppers?
- 6th June 2007Find the median of 8, 3, 15, 3, 10.
- 7th June 2007A school of 600 students wants a sample of 30. A teacher decides to only survey students in her own class of 30. State one problem with this method.
- 8th June 2007A scientist tests a new plant food but only uses it on the healthiest-looking plants. Explain why this is a flawed design.
- 9th June 2007The frequencies for four class intervals are 6, 9, 11, 4. Find the total number of data values.
- 10th June 2007In a pie chart representing 120 people, 30 people chose 'Yes'. What angle represents 'Yes'?
- 11th June 2007A Venn diagram shows 40 people: 22 own a car, 15 own a bike, 6 own both. Find the probability a random person owns neither.
- 12th June 2007A scatter graph shows points scattered with no clear pattern. What type of correlation does this show?
- 13th June 2007A researcher finds that towns with more fire engines have more fire damage, and concludes that fire engines cause fire damage. Identify the flaw in this reasoning and suggest the true common cause.
- 14th June 2007Two data sets give correlation coefficients rs = 0.6 and rs = -0.9. Which shows the stronger relationship?
- 15th June 2007What is a pilot survey?
- 16th June 2007Is 'height of a plant in cm' discrete or continuous data?
- 17th June 2007Three groups have 8 items with mean 10, 12 items with mean 15, and 5 items with mean 20. Find the combined mean.
- 18th June 2007Using the survey in the previous question (Red 6, Blue 9, Green 4, Yellow 5), which colour is the mode?
- 19th June 2007A bar chart uses a scale where each small square represents 2 people. A bar is 7 squares tall. How many people does the bar represent?
- 20th June 2007A stem-and-leaf row, with key '3|1 means 31', is '3|0 2 4 4 7 9'. Find the median of these six values.
- 21st June 2007A frequency table has class frequencies 5, 9, 14, 7 for four consecutive classes. Find the cumulative frequency of the third class.
- 22nd June 2007A choropleth map of rainfall uses two different hues (for example yellow to red) rather than one hue getting darker. Why can this style of shading be a problem?
- 23rd June 2007In a class of 30 students, a student's mark is at the 90th percentile. Roughly how many students scored less than or equal to that mark?
- 24th June 2007Data on 200 students' exam scores is in a spreadsheet. Give one advantage of using a spreadsheet rather than calculating the mean and range by hand.
- 25th June 2007Which stage of the statistical enquiry cycle comes immediately after collecting the data?
- 26th June 2007A student uses figures from a government website for her project. Is this primary or secondary data?
- 27th June 2007Find the median of: 3, 5, 8, 10.
- 28th June 2007Two rows of a pictogram show 4.5 symbols and 3.5 symbols, with a key of 1 symbol = 20 pounds. Work out the combined total for both rows.
- 29th June 2007Using two fair six-sided dice added together, find P(total is 7).
- 30th June 2007Two frequency polygons are drawn on the same axes for boys' and girls' test scores. What feature of the graphs shows which group generally scored higher?