Daily Practice · Foundation
September 2014 5-a-day
Printing for a group?
The batch download puts all 2 tiers' September 2014 sheets in a single PDF, each tier behind its own divider page - 60 sheets in one file.
Every sheet in September 2014
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st September 2014The number of pets owned by 15 households, recorded as collected, is: 0,1,2,1,0,3,1,2,0,1,1,2,0,1,2. Complete a frequency table for the number of pets and state the total frequency.
- 2nd September 2014A bar chart shows 3 bars: Dogs 12, Cats 9, Rabbits 5. How many pets are shown in total?
- 3rd September 2014Using the same diagram (0|5 8, 1|2 2 6, 2|1), what is the range?
- 4th September 2014A cumulative frequency graph shows that a cumulative frequency of 45 corresponds to a value of 60 on the horizontal axis, out of 90 total data values. How many data values are above 60?
- 5th September 2014What is the purpose of the key on a choropleth map?
- 6th September 2014A data set of 50 exam scores has the 20th percentile at 42 marks and the 80th percentile at 78 marks. Explain what these two values tell you about the middle 60% of scores.
- 7th September 2014Which spreadsheet formula would you use to find the total of the values in cells B2 to B20?
- 8th September 2014A supermarket wants to know if a new till layout reduces queuing time. Write a suitable statistical question for the start of the enquiry cycle.
- 9th September 2014Give one disadvantage of an observation study.
- 10th September 2014Two classes have the same median test score. Class A has IQR = 6 and Class B has IQR = 15. Which class's scores are more consistent, and why?
- 11th September 2014A pictogram has a key of 1 symbol = 4 people. A town has 22 people who play chess. How many symbols, including any part-symbol, should be drawn?
- 12th September 2014Using two fair six-sided dice added together, how many ways can you score a total of 7?
- 13th September 2014Find the midpoint of the class interval 10-20.
- 14th September 2014A company's yearly profits are 10, 12, 11, 15, 14 thousand pounds over five years. Describe the general trend.
- 15th September 2014Out of 200 people who ate a certain meal, 10 became ill. What is the risk of becoming ill, as a fraction in its simplest form?
- 16th September 2014A class has 12 boys and 8 girls. One student, a girl, leaves the room. A second student is then chosen at random from those remaining. Find P(second student chosen is a girl given the first was a girl).
- 17th September 2014A newspaper bar chart showing company profit over 5 years has no vertical axis labels or scale, just bars of different heights. Explain the problem with this.
- 18th September 2014Find the midpoint of the class interval 30-50.
- 19th September 2014What is wrong with the question 'Do you not think school lunches are too expensive?'
- 20th September 2014Find the 3-point moving average of 14, 18, 20.
- 21st September 2014A card is drawn at random from a normal 52-card pack. Find P(drawing a King or a Queen).
- 22nd September 2014A histogram for exam scores has bars of equal width 10 marks, covering 0-10, 10-20, 20-30, 30-40, with heights 2, 8, 15, 5. How many students took the exam?
- 23rd September 2014Name the five values needed to draw a box plot.
- 24th September 2014Give one reason you might choose to keep an outlier in a data set rather than remove it.
- 25th September 2014A region records 90 crimes in a population of 45,000. Find the crude crime rate per 1000 people.
- 26th September 2014A youth club has 45 members under 13 and 75 members aged 13 to 17 (120 total). A stratified sample of 40 members is needed. How many aged 13 to 17 should be sampled?
- 27th September 2014A different table shows test scores out of 5 for 30 students: 1 (freq 3), 2 (freq 5), 3 (freq 9), 4 (freq 8), 5 (freq 5). Find the mean score.
- 28th September 2014Class A has a mean test score of 62 and Class B has a mean of 58. Which class did better on average?
- 29th September 2014A rent index shows 2019 = 100 and 2024 = 118. Find the actual rent in 2024 if the 2019 rent was 650 pounds.
- 30th September 2014A fair coin is flipped once. What is P(heads)?